		/**
		* A key of {@link PushIterable} iteration method.
		*/
		const PushIterator__symbol = /#__PURE__/ Symbol('push-iterator');

		function isPushIterable(iterable) {
		return !!iterable[PushIterator__symbol];
		}

		/**
		* Creates a push iterable implementation.
		*
		* @typeParam T - Iterated elements type.
		* @param iterate - A function iterating over iterable elements conforming to {@link PushIterable.Iterate} requirements.
		*
		* @returns New push iterable instance performing iteration by `forNext` function.
		*/
		function makePushIterable(iterate) {
		return {
		[Symbol.iterator]: PushIterable$iterator,
		[PushIterator__symbol]: iterate,
		};
		}
		function PushIterable$iterator() {
		return this[PushIterator__symbol]();
		}

		function PushIterator$iterator() {
		return this;
		}
		function PushIterator$next() {
		for (;;) {
		let result;
		const tail = this[PushIterator__symbol](value => {
		result = { value };
		return true;
		}, 1 /* PushIterationMode.Next */);
		if (result) {
		return result;
		}
		if (tail.isOver()) {
		return { done: true };
		}
		}
		}

		const PushIterator$empty = {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](_accept, _mode) {
		return this;
		},
		next: PushIterator$noNext,
		isOver: PushIterator$over,
		};
		function PushIterator$noNext() {
		return { done: true };
		}
		function PushIterator$dontIterate(_accept, _mode) {
		// Do not iterate
		}
		function PushIterator$over() {
		return true;
		}

		/**
		* Creates a push iterator implementation.
		*
		* @typeParam T - Iterated elements type.
		* @param forNext - A function iterating over elements conforming to push iteration protocol.
		*
		* @returns New push iterator instance performing iteration by `forNext` function.
		*/
		function makePushIterator(forNext) {
		let over = false;
		let iterate = (accept) => {
		if (accept && !forNext(accept)) {
		over = true;
		iterate = PushIterator$dontIterate;
		}
		};
		return {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](accept) {
		iterate(accept);
		return this;
		},
		next: PushIterator$next,
		isOver: () => over,
		};
		}

		function indexed$itemOf(indexed, index) {
		return indexed.item(index); // The index is always valid.
		}
		function indexed$process(indexed, elementOf, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		if (mode === 2 /* PushIterationMode.All */) {
		for (let i = 0; i < indexed.length; ++i) {
		accept(elementOf(indexed, i));
		}
		}
		else {
		for (let i = 0; i < indexed.length; ++i) {
		if (accept(elementOf(indexed, i)) === false) {
		break;
		}
		}
		}
		return PushIterator$empty;
		}
		function indexed$some(indexed, elementOf, accept) {
		let i = 0;
		const forNext = (accept) => {
		if (i >= indexed.length) {
		return false;
		}
		for (;;) {
		const goOn = accept(elementOf(indexed, i++));
		if (i >= indexed.length \|\| goOn === false) {
		return false;
		}
		if (goOn === true) {
		return true;
		}
		}
		};
		if (accept && !forNext(accept)) {
		return PushIterator$empty;
		}
		let over = false;
		let iterate = (accept) => {
		if (accept && !forNext(accept)) {
		over = true;
		iterate = PushIterator$dontIterate;
		next = PushIterator$noNext;
		}
		};
		let next = () => {
		if (i < indexed.length) {
		return { value: elementOf(indexed, i++) };
		}
		over = true;
		iterate = PushIterator$dontIterate;
		next = PushIterator$noNext;
		return { done: true };
		};
		return {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](accept) {
		iterate(accept);
		return this;
		},
		next: () => next(),
		isOver: () => over,
		};
		}
		function indexed$iterate(indexed, elementOf) {
		return (accept, mode = 0 /* PushIterationMode.Some */) => accept && mode > 0
		? indexed$process(indexed, elementOf, accept, mode)
		: indexed$some(indexed, elementOf, accept);
		}

		function arrayLike$elementOf(array, index) {
		return array[index];
		}
		function arrayLike$process(array, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		return indexed$process(array, arrayLike$elementOf, accept, mode);
		}
		function arrayLike$some(array, accept) {
		return indexed$some(array, arrayLike$elementOf, accept);
		}
		function arrayLike$iterate(array) {
		return indexed$iterate(array, arrayLike$elementOf);
		}

		function iterable$process(iterable, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		if (mode === 2 /* PushIterationMode.All */) {
		for (const element of iterable) {
		accept(element);
		}
		}
		else {
		for (const element of iterable) {
		if (accept(element) === false) {
		break;
		}
		}
		}
		return PushIterator$empty;
		}

		function iterator$convert(it, forNext) {
		let over = false;
		let iterate = (accept) => {
		if ((over = !!accept && !forNext(accept))) {
		iterate = PushIterator$dontIterate;
		next = PushIterator$noNext;
		}
		};
		let next = () => {
		const res = it.next();
		if (res.done) {
		over = true;
		iterate = PushIterator$dontIterate;
		next = PushIterator$noNext;
		}
		return res;
		};
		return {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](accept) {
		iterate(accept);
		return this;
		},
		next() {
		return next();
		},
		isOver: () => over,
		};
		}
		function iterator$pusher(it) {
		return accept => {
		for (;;) {
		const res = it.next();
		if (res.done) {
		return false;
		}
		const status = accept(res.value);
		if (typeof status === 'boolean') {
		return status;
		}
		}
		};
		}

		/**
		* Iterates over elements of the given iterable.
		*
		* Calls `accept` method for each iterated element until there are elements to iterate, or `accept` returned either
		* `true` or `false`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to iterate elements of.
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `true` to suspend iteration, or `false` to stop it.
		* @param mode - Optional iteration mode hint declaring what `accept` function shall do.
		*
		* @returns A push iterator instance representing the tail of the given iterable. This iterator can be used to continue
		* iteration with, unless `accept` returned `false`. In the latter case the further iteration won't be possible.
		*/
		function iterateIt(iterable, accept, mode = 0 /* PushIterationMode.Some */) {
		if (isPushIterable(iterable)) {
		return iterable[PushIterator__symbol](accept, mode);
		}
		if (Array.isArray(iterable)) {
		return iterateIt$array(iterable, accept, mode);
		}
		return iterateIt$raw(iterable, accept, mode);
		}
		function iterateIt$array(array, accept, mode) {
		return array.length
		? mode > 0
		? arrayLike$process(array, accept, mode)
		: arrayLike$some(array, accept)
		: PushIterator$empty;
		}
		function iterateIt$raw(iterable, accept, mode) {
		if (mode > 0) {
		return iterable$process(iterable, accept, mode);
		}
		const it = iterable[Symbol.iterator]();
		if (isPushIterable(it)) {
		return it[PushIterator__symbol](accept, mode);
		}
		const forEach = iterator$pusher(it);
		return forEach(accept) ? iterator$convert(it, forEach) : PushIterator$empty;
		}

		function flatMapIndexed$(indexed, elementsOf) {
		return (accept, mode = 0 /* PushIterationMode.Some */) => {
		if (accept && mode > 0) {
		return flatMapIndexed$process(indexed, elementsOf, accept, mode);
		}
		let i = 0;
		let subs;
		const forNext = (accept) => {
		if (i >= indexed.length) {
		return false;
		}
		if (!subs) {
		subs = elementsOf(indexed, i);
		}
		for (;;) {
		let status;
		const subsTail = iterateIt(subs, element => (status = accept(element)));
		if (subsTail.isOver()) {
		if (++i >= indexed.length) {
		return false;
		}
		subs = elementsOf(indexed, i);
		}
		else {
		subs = subsTail;
		}
		if (typeof status === 'boolean') {
		return status;
		}
		}
		};
		return accept && !forNext(accept) ? PushIterator$empty : makePushIterator(forNext);
		};
		}
		function flatMapIndexed$process(indexed, elementsOf, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		if (mode === 2 /* PushIterationMode.All */) {
		for (let i = 0; i < indexed.length; ++i) {
		iterateIt(elementsOf(indexed, i), accept, mode);
		}
		}
		else {
		let status;
		const subProcess = (element) => (status = accept(element));
		for (let i = 0; i < indexed.length; ++i) {
		iterateIt(elementsOf(indexed, i), subProcess, mode);
		if (status === false) {
		break;
		}
		}
		}
		return PushIterator$empty;
		}

		function flatMapArray$(array, elementsOf) {
		return makePushIterable(flatMapIndexed$(array, elementsOf));
		}
		function flatMapArray$defaultElementOf(array, index) {
		return array[index];
		}

		/**
		* Returns a {@link PushIterator push iterator} without elements.
		*
		* @typeParam T - Iterated elements type.
		*
		* @returns Empty push iterator instance.
		*/
		function overNone() {
		return PushIterator$empty;
		}

		/**
		* Creates a {@link PushIterable \| push iterable} over one value.
		*
		* @typeParam T - Iterated element value type.
		* @param value - A value to iterate over.
		*
		* @returns New push iterable over the given value.
		*/
		function overOne(value) {
		return makePushIterable(iterateOverOneValue(value));
		}
		function iterateOverOneValue(value) {
		return accept => {
		if (accept) {
		accept(value);
		return PushIterator$empty;
		}
		let over = false;
		return {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](accept) {
		if (over) {
		return PushIterator$empty;
		}
		if (accept) {
		over = true;
		accept(value);
		return PushIterator$empty;
		}
		return this;
		},
		next() {
		if (over) {
		return { done: over };
		}
		over = true;
		return { value };
		},
		isOver: () => over,
		};
		};
		}

		function flatMapArray(array, convert) {
		return flatMapArray$(array, convert ? (array, index) => convert(array[index]) : flatMapArray$defaultElementOf);
		}

		function flatMapIt(source, convert = flatMapIt$defaultConverter) {
		return makePushIterable((accept, mode = 0 /* PushIterationMode.Some */) => {
		if (accept && mode > 0) {
		return isPushIterable(source)
		? flatMapIt$process(source, convert, accept, mode)
		: flatMapIt$raw$process(source, convert, accept, mode);
		}
		const forNext = isPushIterable(source)
		? flatMapIt$(source, convert)
		: flatMapIt$raw(source, convert);
		return accept && !forNext(accept) ? overNone() : makePushIterator(forNext);
		});
		}
		function flatMapIt$(source, convert) {
		let subs;
		let lastSrc = false;
		return accept => {
		for (;;) {
		while (!subs) {
		const sourceTail = source[PushIterator__symbol](src => {
		subs = convert(src);
		return true;
		});
		source = sourceTail;
		if (sourceTail.isOver()) {
		if (!subs) {
		return false;
		}
		lastSrc = true;
		}
		}
		let status;
		const subsTail = iterateIt(subs, element => (status = accept(element)));
		if (subsTail.isOver()) {
		subs = undefined;
		if (lastSrc) {
		return false;
		}
		}
		else {
		subs = subsTail;
		}
		if (typeof status === 'boolean') {
		return status;
		}
		}
		};
		}
		function flatMapIt$raw(source, convert) {
		const it = source[Symbol.iterator]();
		if (isPushIterable(it)) {
		return flatMapIt$(it, convert);
		}
		let subs;
		return accept => {
		for (;;) {
		if (!subs) {
		const next = it.next();
		if (next.done) {
		return false;
		}
		subs = convert(next.value);
		}
		// eslint-disable-next-line @typescript-eslint/no-invalid-void-type
		let status;
		const subsTail = iterateIt(subs, element => (status = accept(element)));
		subs = subsTail.isOver() ? undefined : subsTail;
		if (typeof status === 'boolean') {
		return status;
		}
		}
		};
		}
		function flatMapIt$process(source, convert, accept, mode) {
		if (mode === 2 /* PushIterationMode.All */) {
		source[PushIterator__symbol](src => iterateIt(convert(src), accept, mode));
		}
		else {
		let status;
		const subProcess = (element) => (status = accept(element));
		source[PushIterator__symbol]((src) => {
		iterateIt(convert(src), subProcess, mode);
		if (status === false) {
		return false;
		}
		});
		}
		return PushIterator$empty;
		}
		function flatMapIt$raw$process(source, convert, accept, mode) {
		if (mode === 2 /* PushIterationMode.All */) {
		for (const src of source) {
		iterateIt(convert(src), accept, mode);
		}
		}
		else {
		let status;
		const subProcess = (element) => (status = accept(element));
		for (const src of source) {
		iterateIt(convert(src), subProcess, mode);
		if (status === false) {
		break;
		}
		}
		}
		return PushIterator$empty;
		}
		function flatMapIt$defaultConverter(element) {
		return element;
		}

		export { PushIterator__symbol as P, arrayLike$iterate as a, PushIterator$empty as b, iterator$convert as c, iterator$pusher as d, flatMapArray$defaultElementOf as e, flatMapArray$ as f, indexed$iterate as g, indexed$itemOf as h, isPushIterable as i, overNone as j, PushIterator$iterator as k, PushIterator$dontIterate as l, makePushIterable as m, PushIterator$noNext as n, overOne as o, iterateIt as p, indexed$process as q, arrayLike$elementOf as r, iterable$process as s, makePushIterator as t, flatMapIndexed$ as u, flatMapArray as v, flatMapIt as w };
		//# sourceMappingURL=flat-map-it-79cb7cb7.js.map

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dist/flat-map-it-79cb7cb7.js.map

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+73

dist/push-iterator.call-thru.d.ts

		/// <reference lib="dom" />
		/// <reference lib="es2019" />
		/// <reference path="push-iterator.d.ts" />
		declare module "@proc7ts/push-iterator/call-thru" {
		import type { CallChain, NextCall, NextSkip } from "@proc7ts/call-thru";
		/**
		* A call chain transforming elements of iterable.
		*
		* Transformations performed when transformed element requested from final iterable.
		*/
		export interface IterableCallChain extends CallChain {
		/**
		* Calls a pass in this chain with each element of the given iterable.
		*
		* @typeParam T - Iterated elements type.
		* @param pass - A pass to call.
		* @param iterable - Source iterable.
		*/
		iterate<T>(pass: (this: void, arg: T) => any, iterable: Iterable<T>): void;
		}
		export namespace IterableCallChain {
		type Args<TReturn> = TReturn extends NextSkip<any> ? never : TReturn extends NextCall<IterableCallChain, infer A, any> ? A : [
		TReturn
		];
		type Out<TReturn> = TReturn extends NextSkip<any> ? never : TReturn extends NextCall<IterableCallChain, any, infer A> ? A : TReturn;
		}
		}

		declare module "@proc7ts/push-iterator/call-thru" {
		import { NextCall } from "@proc7ts/call-thru";
		/**
		* Creates a next call in {@link IterableCallChain \| iterable call chain} that performs the next passes for each
		* element of the given iterable.
		*
		* This call passes elements to the next call on demand, while the `nextEach()` one transforms them all at once,
		* and iterates over results after that.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable containing elements to pass down the chain.
		*
		* @returns Next call for iterable call chain.
		*/
		export function nextIterate<T>(iterable: Iterable<T>): NextCall<IterableCallChain, [
		T
		], T>;
		}

		declare module "@proc7ts/push-iterator/call-thru" {
		import type { PushIterable } from "@proc7ts/push-iterator";
		type Args<TReturn> = IterableCallChain.Args<TReturn>;
		type Out<TReturn> = IterableCallChain.Out<TReturn>;
		/**
		* Passes each element of the given iterable trough the {@link IterableCallChain \| chain of transformation passes}.
		*
		* The passes are preformed by `@proc7ts/call-thru`.
		*
		* @returns An push iterable of transformed elements.
		*/
		export function thruIt<T, TReturn1>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1): PushIterable<Out<TReturn1>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2): PushIterable<Out<TReturn2>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3): PushIterable<Out<TReturn3>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9, TArgs10 extends Args<TReturn9>, TReturn10>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9, pass10: (this: void, ...args: TArgs10) => TReturn10): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9, TArgs10 extends Args<TReturn9>, TReturn10, TArgs11 extends Args<TReturn10>, TReturn11>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9, pass10: (this: void, ...args: TArgs10) => TReturn10, pass11: (this: void, ...args: TArgs11) => TReturn11): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9, TArgs10 extends Args<TReturn9>, TReturn10, TArgs11 extends Args<TReturn10>, TReturn11, TArgs12 extends Args<TReturn11>, TReturn12>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9, pass10: (this: void, ...args: TArgs10) => TReturn10, pass11: (this: void, ...args: TArgs11) => TReturn11, pass12: (this: void, ...args: TArgs12) => TReturn12): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9, TArgs10 extends Args<TReturn9>, TReturn10, TArgs11 extends Args<TReturn10>, TReturn11, TArgs12 extends Args<TReturn11>, TReturn12, TArgs13 extends Args<TReturn12>, TReturn13>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9, pass10: (this: void, ...args: TArgs10) => TReturn10, pass11: (this: void, ...args: TArgs11) => TReturn11, pass12: (this: void, ...args: TArgs12) => TReturn12, pass13: (this: void, ...args: TArgs13) => TReturn13): PushIterable<Out<TReturn4>>;
		}
		//# sourceMappingURL=push-iterator.call-thru.d.ts.map

+1

dist/push-iterator.call-thru.d.ts.map

+859

dist/push-iterator.d.ts

		/// <reference lib="dom" />
		/// <reference lib="es2019" />
		declare module "@proc7ts/push-iterator" {
		/**
		* Push iteration mode.
		*
		* This is a hint passed as second argument of {@link PushIterator__symbol} method. It declares what
		* {@link PushIterator.Acceptor element acceptor} shall do, and can be used to optimize the iteration algorithm.
		*/
		export const enum PushIterationMode {
		/**
		* Push the next element if exists, then suspend or abort.
		*
		* This value is typically set in compatibility mode. I.e. when standard iterator used to iterate over push iterator.
		*/
		Next = 1,
		/**
		* Push some elements. Iteration may be suspended or aborted at any moment.
		*
		* This iteration mode is used by default.
		*/
		Some = 0,
		/**
		* Push only some subset of elements, then abort iteration.
		*
		* The {@link PushIterator.Acceptor element acceptor} shall not suspend iteration by returning `true` value in this
		* mode.
		*/
		Only = 1,
		/**
		* Push all elements.
		*
		* The {@link PushIterator.Acceptor element acceptor} shall not suspend or abort iteration by returning boolean value
		* in this mode.
		*/
		All = 2
		}
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Iterator implementing push iteration protocol.
		*
		* @typeParam T - Iterated elements type.
		*/
		export interface PushIterator<T> extends IterableIterator<T>, PushIterable<T> {
		[Symbol.iterator](): PushIterator<T>;
		/**
		* Checks whether iteration is over.
		*
		* @returns `true` is there is nothing to iterate any more, or `false` if iteration is still possible.
		*/
		isOver(): boolean;
		}
		export namespace PushIterator {
		/**
		* A signature of iterated elements pusher function conforming to push iteration protocol.
		*
		* @typeParam T - Iterated elements type.
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `false` to stop iteration.
		*
		* @returns `true` if further iteration is possible, or `false` if there is no more elements left to iterate.
		* The latter is possible only when iteration aborted, i.e. `accept` returned `false`.
		*/
		type Pusher<T> = (this: void, accept: Acceptor<T>) => boolean;
		/**
		* A signature of a function accepting iterated elements.
		*
		* It is able to suspend iteration by returning `true`, or to stop it by returning `false`.
		*
		* @typeParam T - Iterated elements type.
		*/
		type Acceptor<T> = EachAcceptor<T> \| StoppingAcceptor<T>;
		/**
		* A signature of a function accepting each iterated element unconditionally.
		*
		* @typeParam T - Iterated elements type.
		* @param element - Iterated element.
		*/
		type EachAcceptor<T> = (this: void, element: T) => void;
		/**
		* A signature of a function accepting iterated elements and able to suspend or stop further iteration.
		*
		* When this function returns `true`, the iteration is suspended. I.e. the no more elements would be pushed to this
		* function, but the iteration method (`[PushIterator__symbol]`) would return an iterator that can be used to resume
		* iteration.
		*
		* When this function returns `false`, the iteration is stopped. I.e. the no more elements would be pushed to this
		* function, and the iteration method (`[PushIterator__symbol]`) would return an empty iterator. I.e. the one with
		* its {@link PushIterator.isOver} method always returning `true`.
		*
		* @typeParam T - Iterated elements type.
		* @param element - Iterated element.
		*
		* @returns `true` to suspend iteration, or `false` to stop it.
		*/
		type StoppingAcceptor<T> = (this: void, element: T) => boolean;
		}
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* A key of {@link PushIterable} iteration method.
		*/
		export const PushIterator__symbol: unique symbol;
		/**
		* An iterable implementing push iteration protocol.
		*
		* @typeParam T - Iterated elements type.
		*/
		export interface PushIterable<T> extends Iterable<T> {
		/**
		* Creates a {@link PushIterator \| push iterator} over elements of this iterable.
		*
		* @returns New push iterator instance.
		*/
		[Symbol.iterator](): PushIterator<T>;
		/**
		* Iterates over elements of this push iterable.
		*
		* Calls `accept` method for each iterated element until there are elements to iterate, or `accept` returned either
		* `true` or `false`.
		*
		* Calling this method with `accept` parameter is a faster alternative to creating a push iterator and iterating with
		* it.
		*
		* Calling this method without arguments is the same as calling `[Symbol.iterator]()` one.
		*
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `true` to suspend iteration, or `false` to stop it.
		* @param mode - Optional iteration mode hint declaring what `accept` function shall do. Ignored without `accept`
		* parameter.
		*
		* @returns A push iterator instance to continue iteration with. If `accept` returned `false` then further iteration
		* won't be possible with returned iterator.
		*/
		[PushIterator__symbol](accept?: PushIterator.Acceptor<T>, mode?: PushIterationMode): PushIterator<T>;
		}
		export namespace PushIterable {
		/**
		* A signature of function conforming to push iteration protocol.
		*
		* Used as `PushIterable[PushIterator__symbol]` method implementation when passed to {@link makePushIterable}
		* function.
		*
		* @typeParam T - Iterated elements type.
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `true` to suspend iteration, or `false` to stop it.
		* @param mode - Optional iteration mode hint declaring what `accept` function shall do. Ignored without `accept`
		* parameter.
		*
		* @returns A push iterator instance to continue iteration with. If `accept` returned `false` then further iteration
		* won't be possible with returned iterator.
		*/
		type Iterate<T> = (this: void, accept?: PushIterator.Acceptor<T>, mode?: PushIterationMode) => PushIterator<T>;
		}
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Checks whether the given iterable conforms to {@link PushIterable \| push iteration protocol}.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to check.
		*
		* @returns `true` if the given `iterable` has a {@link PushIterator__symbol [PushIterator__symbol]} property,
		* or `false` otherwise.
		*/
		export function isPushIterable<T>(iterable: Iterable<T>): iterable is PushIterable<T>;
		/**
		* Checks whether the given iterator conforms to {@link PushIterable \| push iteration protocol}.
		*
		* @typeParam T - Iterated elements type.
		* @param iterator - An iterator to check.
		*
		* @returns `true` if the given `iterator` has a {@link PushIterator__symbol \| [PushIterator__symbol]} property,
		* or `false` otherwise.
		*/
		export function isPushIterable<T>(iterator: Iterator<T>): iterator is PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a push iterator over elements of the given push `iterable`.
		*
		* Calls `iterable[Symbol.iterator]()` and returns its result.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - A push iterable to construct iterator of.
		*
		* @returns Push iterator.
		*/
		export function iteratorOf<T>(iterable: PushIterable<T>): PushIterator<T>;
		/**
		* Creates an iterable iterator over elements of the given `iterable` supporting iterable iteration.
		*
		* Calls `iterable[Symbol.iterator]()` and returns its result.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - A push iterable to construct iterator of.
		*
		* @returns Iterable iterator.
		*/
		export function iteratorOf<T>(iterable: {
		[Symbol.iterator](): IterableIterator<T>;
		}): IterableIterator<T>;
		/**
		* Creates iterator over elements of the given `iterable`.
		*
		* Calls `iterable[Symbol.iterator]()` and returns its result.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to construct iterator of.
		*
		* @returns Either push or raw iterator.
		*/
		export function iteratorOf<T>(iterable: Iterable<T>): Iterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a push iterable implementation.
		*
		* @typeParam T - Iterated elements type.
		* @param iterate - A function iterating over iterable elements conforming to {@link PushIterable.Iterate} requirements.
		*
		* @returns New push iterable instance performing iteration by `forNext` function.
		*/
		export function makePushIterable<T>(iterate: PushIterable.Iterate<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a push iterator implementation.
		*
		* @typeParam T - Iterated elements type.
		* @param forNext - A function iterating over elements conforming to push iteration protocol.
		*
		* @returns New push iterator instance performing iteration by `forNext` function.
		*/
		export function makePushIterator<T>(forNext: PushIterator.Pusher<T>): PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of array-like structure.
		*
		* @typeParam T - Array elements type.
		* @param array - An array-like structure. E.g. `Array`, DOM `NodeList`, etc.
		*
		* @returns New push iterable over array elements.
		*/
		export function overArray<T>(array: ArrayLike<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Iterates over elements of the given iterable.
		*
		* Calls `accept` method for each iterated element until there are elements to iterate, or `accept` returned either
		* `true` or `false`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to iterate elements of.
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `true` to suspend iteration, or `false` to stop it.
		* @param mode - Optional iteration mode hint declaring what `accept` function shall do.
		*
		* @returns A push iterator instance representing the tail of the given iterable. This iterator can be used to continue
		* iteration with, unless `accept` returned `false`. In the latter case the further iteration won't be possible.
		*/
		export function iterateIt<T>(iterable: Iterable<T>, accept: PushIterator.Acceptor<T>, mode?: PushIterationMode): PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of iterator created by the given function.
		*
		* @typeParam T - Iterated elements type.
		* @param iterate - A function creating new iterator.
		*
		* @returns New push iterable over elements of created iterator.
		*/
		export function overIterator<T>(iterate: (this: void) => Iterator<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of the given raw iterable.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to iterate over elements of.
		*
		* @returns New push iterable over elements of the given `iterable`.
		*/
		export function overIterable<T>(iterable: Iterable<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of other iterables.
		*
		* @typeParam T - Iterated elements type.
		* @param sources - Source iterables to iterate over elements of.
		*
		* @returns New push iterable over elements of the given `sources`.
		*/
		export function overElementsOf<T>(...sources: readonly Iterable<T>[]): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* An indexed list of items.
		*
		* @typeParam T - Indexed item value.
		*/
		export interface IndexedItemList<T> {
		/**
		* The length of the list. I.e. the number of items it contains.
		*/
		readonly length: number;
		/**
		* Retrieves an item under the given index.
		*
		* @param index - Item index.
		*
		* @returns Either item value, or `null`/`undefined` if there is no item with such index, i.e. if the index is not
		* an integer value, is negative, or greater or equal to the {@link length}.
		*/
		item(index: number): T \| null \| undefined;
		}
		/**
		* Creates a {@link PushIterable \| push iterable} over items of {@link IndexedItemList \| indexed list}.
		*
		* @typeParam T - Indexed items type.
		* @param indexed - An indexed list of items. E.g. DOM `NodeList`.
		*
		* @returns New push iterable over list items.
		*/
		export function overIndexed<T>(indexed: IndexedItemList<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Returns a {@link PushIterator push iterator} without elements.
		*
		* @typeParam T - Iterated elements type.
		*
		* @returns Empty push iterator instance.
		*/
		export function overNone<T>(): PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over one value.
		*
		* @typeParam T - Iterated element value type.
		* @param value - A value to iterate over.
		*
		* @returns New push iterable over the given value.
		*/
		export function overOne<T>(value: T): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over many values.
		*
		* @typeParam T - Iterated elements value type.
		* @param values - Values to iterate over.
		*
		* @returns New push iterable over the given values.
		*/
		export function overMany<T>(...values: readonly T[]): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of array-like structure in reverse order.
		*
		* @typeParam T - Array elements type.
		* @param array - An array-like structure. E.g. `Array`, DOM `NodeList`, etc.
		*
		* @returns New push iterable over array elements in reverse order.
		*/
		export function reverseArray<T>(array: ArrayLike<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Performs the given `action` for each element of the given `iterable`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable of elements to perform actions on.
		* @param action - An action to perform on each iterable element. This is a function accepting an element as its only
		* parameter.
		*/
		export function itsEach<T>(iterable: Iterable<T>, action: (this: void, element: T) => void): void;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a new, shallow-copied array instance containing elements of the `source` iterable.
		*
		* Calling this function result to the same result as calling `Array.from(source)`, except it is optimized for
		* {@link PushIterable push iterables}.
		*
		* @typeParam T - Iterated elements type.
		* @param source - A source iterable to copy elements from.
		*
		* @returns New array of `source` elements.
		*/
		export function itsElements<T>(source: Iterable<T>): T[];
		/**
		* Creates a new, shallow-copied array instance containing elements of the `source` iterable converted by the given
		* converter function.
		*
		* Calling this function result to the same result as calling `Array.from(source, convert)`, except it is optimized for
		* {@link PushIterable push iterables}.
		*
		* @typeParam T - Iterated elements type.
		* @typeParam TConv - Resulting array elements type.
		* @param source - A source iterable to convert elements from.
		* @param convert - A function that produces an element of result array, taking element of `source` iterable as the only
		* parameter.
		*
		* @returns New array of elements converted from `source` ones.
		*/
		export function itsElements<T, TConv>(source: Iterable<T>, convert: (this: void, element: T) => TConv): TConv[];
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Checks whether the given `iterable` is empty.
		*
		* @param iterable - An iterable or push iterable to check for elements.
		*
		* @returns `true` if the given iterable contains at least one element, or `false` otherwise.
		*/
		export function itsEmpty(iterable: Iterable<unknown>): boolean;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Tests whether all elements of the given `iterable` pass the test implemented by the provided function.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to test elements of.
		* @param test - A predicate function to test each element. Returns `true` to continue tests, or `false` to stop it
		* and return `false` from the method call. It accepts the tested element as the only parameter.
		*
		* @returns `true` if the `test` function returned a truthy value for every element, or `false` otherwise.
		* Returns `true` for empty iterable.
		*/
		export function itsEvery<T>(iterable: Iterable<T>, test: (this: void, element: T) => boolean): boolean;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Searches for the value in `iterable`.
		*
		* @typeParam T - Iterated elements type.
		* @typeParam TFound - Found value type.
		* @param iterable - An iterable to extract element from.
		* @param search - A function extracting the value from elements. It is called for each iterated element until the value
		* found. Accepts element as the only parameter, and returns extracted value. If returns `false` or `undefined` the
		* search continues from the next element.
		*
		* @returns Either found value or `undefined`.
		*/
		export function itsFind<T, TFound>(iterable: Iterable<T>, search: (this: void, element: T) => TFound \| false \| undefined): TFound \| undefined;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Extracts the first element of the given `iterable`, if any.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to extract element from.
		*
		* @returns Either the first element, or `undefined` if the given `iterable` is empty.
		*/
		export function itsFirst<T>(iterable: Iterable<T>): T \| undefined;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Starts iteration over the given `iterable`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable or push iterable to iterate over.
		*
		* @returns A push iterator iterating over the given iterable.
		*/
		export function itsIterator<T>(iterable: Iterable<T>): PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Extracts the first element matching the given condition from `iterable`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to extract element from.
		* @param test - A predicate function to test elements. Returns truthy value for matching one. It accepts the tested
		* element as the only parameter.
		*
		* @returns Either the matching element, or `undefined` if no elements match.
		*/
		export function itsMatch<T>(iterable: Iterable<T>, test: (this: void, element: T) => boolean): T \| undefined;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Applies a function against an accumulator and each element of the given `iterable` to reduce elements to a single
		* value.
		*
		* @typeParam T - Iterated elements type.
		* @typeParam TResult - A type of reduced value.
		* @param iterable - An iterable to reduce values of.
		* @param reducer - A function to apply the value returned from the previous `reducer` call and to each element.
		* @param initialValue - Initial value passed to the first `reducer` call.
		*
		* @returns Reduced value returned from the last `reducer` call, or `initialValue` if there is no elements in the given
		* `iterable`.
		*/
		export function itsReduction<T, TResult>(iterable: Iterable<T>, reducer: (this: void, prev: TResult, element: T) => TResult, initialValue: TResult): TResult;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Tests whether at least one element of the given `iterable` passes the test implemented by the provided function.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to test elements of.
		* @param test - A predicate function to test each element. Returns `false` to continue tests, or `true` to stop it
		* and return `true` from the method call. It accepts the tested element as the only parameter.
		*
		* @returns `true` if the callback function returned a truthy value for at least one element in the array, or `false`
		* otherwise. Returns `false` for empty iterable.
		*/
		export function itsSome<T>(iterable: Iterable<T>, test: (this: void, element: T) => boolean): boolean;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Object property entry.
		*
		* This is a tuple consisting of property key and value.
		*
		* @typeParam TObj - Object type.
		* @typeParam TKey - A type of object property keys.
		*/
		export type ObjectEntry<TObj, TKey extends keyof TObj = keyof TObj> = readonly [
		TKey,
		TObj[TKey]
		];
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over keys of the given object.
		*
		* A list of keys is constructed using `Reflect.ownKeys()`.
		*
		* @typeParam TObj - Source object type.
		* @param source - An object to select keys from.
		*
		* @returns New push iterable over own object keys retrieved by `Reflect.ownKeys()`.
		*/
		export function overKeys<TObj extends object>(source: TObj): PushIterable<keyof TObj>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable push iterable} with all `array` elements extending the given type.
		*
		* @typeParam T - A type of array elements.
		* @typeParam TTarget - Target type.
		* @param array - A source array.
		* @param test - A predicate function to test that element extends the type `TTarget`. Returns `true` to keep the
		* element, or `false` otherwise. It accepts the tested element as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterArray<T, TTarget extends T>(array: ArrayLike<T>, test: (this: void, element: T) => element is TTarget): PushIterable<TTarget>;
		/**
		* Creates a {@link PushIterable \| push iterable} with all `array` elements that pass the test implemented by
		* the provided function.
		*
		* @typeParam T - A type of array elements.
		* @param array - A source array.
		* @param test - A predicate function to test each element. Returns `true` to keep the element, or `false` otherwise.
		* It accepts the tested element as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterArray<T>(array: ArrayLike<T>, test: (this: void, element: T) => boolean): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with all items of the given indexed list that extend the given type.
		*
		* @typeParam T - Indexed items type.
		* @typeParam TTarget - Target type.
		* @param indexed - A source indexed items list.
		* @param test - A predicate function to test that item extends the type `TTarget`. Returns `true` to keep the element,
		* or `false` otherwise. It accepts the tested item as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterIndexed<T, TTarget extends T>(indexed: IndexedItemList<T>, test: (this: void, element: T) => element is TTarget): PushIterable<TTarget>;
		/**
		* Creates a {@link PushIterable \| push iterable} with all items of the given indexed list that pass the test
		* implemented by the provided function.
		*
		* @typeParam T - Indexed items type.
		* @param indexed - A source indexed items list.
		* @param test - A predicate function to test each item. Returns `true` to keep the item, or `false` otherwise.
		* It accepts the tested item as the only parameter.
		*
		* @returns New push iterable with the items that pass the test. If no items passed the test, an empty iterable
		* will be returned.
		*/
		export function filterIndexed<T>(indexed: IndexedItemList<T>, test: (this: void, element: T) => boolean): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with all `source` iterable elements extending the given type.
		*
		* @typeParam T - A type of source elements.
		* @typeParam TTarget - Target type.
		* @param source - A source iterable.
		* @param test - A predicate function to test that element extends the type `TTarget`. Returns `true` to keep the
		* element, or`false` otherwise. It accepts the tested element as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterIt<T, TTarget extends T>(source: Iterable<T>, test: (this: void, element: T) => element is TTarget): PushIterable<TTarget>;
		/**
		* Creates a {@link PushIterable \| push iterable} with all `source` iterable elements that pass the test implemented by
		* the provided function.
		*
		* @typeParam T - A type of source elements.
		* @param source - A source iterable.
		* @param test - A predicate function to test each element. Returns `true` to keep the element, or `false` otherwise.
		* It accepts the tested element as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterIt<T>(source: Iterable<T>, test: (this: void, element: T) => boolean): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Flattens the source `array` of iterables into new {@link PushIterable \| push iterable}.
		*
		* Calling this function is the same as calling `flatMapArray(source, element => element)`.
		*
		* @typeParam T - A type of converted elements.
		* @param array - A source array-like instance of iterables.
		*
		* @returns New push iterable with each element of `array` being flattened.
		*/
		export function flatMapArray<T>(array: ArrayLike<Iterable<T>>): PushIterable<T>;
		/**
		* First maps each element of the source `array` using a mapping function, then flattens the result into new
		* {@link PushIterable \| push iterable}.
		*
		* @typeParam TSrc - A type of array elements.
		* @typeParam TConv - A type of converted elements.
		* @param array - A source array-like instance of elements to convert.
		* @param convert - A function that produces new iterable, taking array element as the only parameter.
		*
		* @returns New push iterable with each element being the flattened result of the `convert` function call.
		*/
		export function flatMapArray<TSrc, TConv>(array: ArrayLike<TSrc>, convert: (this: void, element: TSrc) => Iterable<TConv>): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Flattens the source list of indexed iterables into new {@link PushIterable \| push iterable}.
		*
		* Calling this function is the same as calling `flatMapIndexed(source, element => element)`.
		*
		* @typeParam T - A type of converted elements.
		* @param indexed - A source list of indexed iterables.
		*
		* @returns New push iterable with each element of indexed list being flattened.
		*/
		export function flatMapIndexed<T>(indexed: IndexedItemList<Iterable<T>>): PushIterable<T>;
		/**
		* First maps each item of the source indexed list using a mapping function, then flattens the result into new
		* {@link PushIterable \| push iterable}.
		*
		* @typeParam TSrc - A type of indexed items.
		* @typeParam TConv - A type of converted elements.
		* @param indexed - A source list of indexed items to convert.
		* @param convert - A function that produces new iterable, taking the list item as the only parameter.
		*
		* @returns New push iterable with each element being the flattened result of the `convert` function call.
		*/
		export function flatMapIndexed<TSrc, TConv>(indexed: IndexedItemList<TSrc>, convert: (this: void, element: TSrc) => Iterable<TConv>): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Flattens the source iterable of iterables into new {@link PushIterable \| push iterable}.
		*
		* Calling this function is the same as calling `flatMapIt(source, element => element)`.
		*
		* @typeParam T - A type of converted elements.
		* @param source - A source iterable of iterables.
		*
		* @returns New push iterable with each element of `source` being flattened.
		*/
		export function flatMapIt<T>(source: Iterable<Iterable<T>>): PushIterable<T>;
		/**
		* First maps each element of the `source` iterable using a mapping function, then flattens the result into new
		* {@link PushIterable \| push iterable}.
		*
		* @typeParam TSrc - A type of source elements.
		* @typeParam TConv - A type of converted elements.
		* @param source - A source iterable of elements to convert.
		* @param convert - A function that produces new iterable, taking the source element as the only parameter.
		*
		* @returns New push iterable with each element being the flattened result of the `convert` function call.
		*/
		export function flatMapIt<TSrc, TConv>(source: Iterable<TSrc>, convert: (this: void, element: TSrc) => Iterable<TConv>): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the results of calling a provided function on every element
		* of the given `array`.
		*
		* @typeParam TSrc - A type of array elements.
		* @typeParam TConv - A type of converted elements.
		* @param array - A source array-like instance.
		* @param convert - A function that produces an element of new iterable, taking array element as the only parameter.
		*
		* @returns New push iterable of transformed elements.
		*/
		export function mapArray<TSrc, TConv>(array: ArrayLike<TSrc>, convert: (this: void, element: TSrc) => TConv): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the results of calling a provided function on every item of the
		* given indexed list.
		*
		* @typeParam TSrc - A type of indexed list items.
		* @typeParam TConv - A type of converted elements.
		* @param indexed - A source indexed items list.
		* @param convert - A function that produces an element of new iterable, taking list item as the only parameter.
		*
		* @returns New push iterable of transformed elements.
		*/
		export function mapIndexed<TSrc, TConv>(indexed: IndexedItemList<TSrc>, convert: (this: void, element: TSrc) => TConv): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the results of calling a provided function on every element
		* of the `source` iterable.
		*
		* @typeParam TSrc - A type of source elements.
		* @typeParam TConv - A type of converted elements.
		* @param source - A source iterable.
		* @param convert - A function that produces an element of the new iterable, taking the source element as the only
		* parameter.
		*
		* @returns New push iterable of transformed elements.
		*/
		export function mapIt<TSrc, TConv>(source: Iterable<TSrc>, convert: (this: void, element: TSrc) => TConv): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the values of elements of the given `array`.
		*
		* Element value is the result of provided function call, except `false`, `null`, and `undefined` which are filtered
		* out.
		*
		* This can be used as a more effective {@link mapArray} / {@link filterIt} combination.
		*
		* @typeParam T - A type of array elements.
		* @typeParam TValue - A type of array element values.
		* @param array - A source array.
		* @param valueOf - A function that values elements, taking the source element as the only parameter, and returning
		* either its value, or `false`/`null`/`undefined` to filter it out.
		*
		* @returns New push iterable with array element values.
		*/
		export function valueArray<T, TValue = T>(array: ArrayLike<T>, valueOf: (this: void, element: T) => TValue \| false \| null \| undefined): PushIterable<TValue>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the values of items of the given indexed list.
		*
		* Item value is the result of provided function call, except `false`, `null`, and `undefined` which are filtered out.
		*
		* This can be used as a more effective {@link mapIndexed} / {@link filterIt} combination.
		*
		* @typeParam T - Indexed items type.
		* @typeParam TValue - A type of item values.
		* @param indexed - A source indexed items list.
		* @param valueOf - A function that values items, taking the source item as the only parameter, and returning either
		* its value, or `false`/`null`/`undefined` to filter it out.
		*
		* @returns New push iterable with the item values.
		*/
		export function valueIndexed<T, TValue = T>(indexed: IndexedItemList<T>, valueOf: (this: void, element: T) => TValue \| false \| null \| undefined): PushIterable<TValue>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the values of elements of the `source` iterable.
		*
		* Element value is the result of provided function call, except `false`, `null`, and `undefined` which are filtered
		* out.
		*
		* This can be used as a more effective {@link mapIt} / {@link filterIt} combination.
		*
		* @typeParam T - A type of source elements.
		* @typeParam TValue - A type of source element values.
		* @param source - A source iterable.
		* @param valueOf - A function that values elements, taking the source element as the only parameter, and returning
		* either its value, or `false`/`null`/`undefined` to filter it out.
		*
		* @returns New push iterable with the element values.
		*/
		export function valueIt<T, TValue = T>(source: Iterable<T>, valueOf: (this: void, element: T) => TValue \| false \| null \| undefined): PushIterable<TValue>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over the property key/value entries of the given object.
		*
		* A list of keys is constructed using `Reflect.ownKeys()`.
		*
		* @typeParam TObj - Object type.
		*
		* @param source - An object to select keys and values from.
		*
		* @returns New push iterable of object property entries.
		*/
		export function overEntries<TObj extends object>(source: TObj): PushIterable<ObjectEntry<TObj>>;
		}
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+1

dist/push-iterator.d.ts.map

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AO,EAAE,CAAC,KAAK,MAAM,GAAG,KAAK,GAAG,IAAI,GAAG,SAAS,GACrE,YAAY,CAAC,MAAM,CAAC,CAoBtB;;;;;;;;;;;;;;;IC/BD,MAAM,UAAU,WAAW,CAAC,IAAI,SAAS,MAAM,EAAE,MAAM,EAAE,IAAI,GAAG,YAAY,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC,CAE9F","file":"push-iterator.d.ts","sourceRoot":".."}

+11

-5

dist/push-iterator.call-thru.js

		import { nextCall, isNextCall, NextCall__symbol } from '@proc7ts/call-thru';
		import { flatMapIt, flatMapArray, overOne } from './push-iterator.js';
		import { v as flatMapArray, w as flatMapIt, o as overOne } from './flat-map-it-79cb7cb7.js';

		@@ -24,3 +24,7 @@ /**
		++index;
		const pass = index < passes.length ? passes[index] : () => { };
		const pass = index < passes.length
		? passes[index]
		: () => {
		/* empty pass */
		};
		const handleResult = (outcome, callResult, arg) => {
		@@ -37,3 +41,3 @@ if (isNextCall(callResult)) {
		};
		return ({
		return {
		call(fn, args) {
		@@ -45,3 +49,5 @@ handleResult(outcome, fn(...args), args);
		},
		skip() { },
		skip() {
		/* skip item */
		},
		iterate(fn, iterable) {
		@@ -54,3 +60,3 @@ outcome.push(flatMapIt(iterable, item => {
		},
		});
		};
		};
		@@ -57,0 +63,0 @@ const finalOutcome = [];

+1

-1

dist/push-iterator.call-thru.js.map

		@@ -1,1 +0,1 @@
		{"version":3,"file":"push-iterator.call-thru.js","sources":["../src/call-thru/next-iterate.ts","../src/call-thru/thru-it.ts"],"sourcesContent":["import { NextCall, nextCall } from '@proc7ts/call-thru';\nimport type { IterableCallChain } from './iterable-call-chain';\n\n/*\n Creates a next call in {@link IterableCallChain \| iterable call chain} that performs the next passes for each\n * element of the given iterable.\n \n This call passes elements to the next call on demand, while the `nextEach()` one transforms them all at once,\n * and iterates over results after that.\n \n @typeParam T - Iterated elements type.\n * @param iterable - An iterable containing elements to pass down the chain.\n \n @returns Next call for iterable call chain.\n /\nexport function nextIterate<T>(iterable: Iterable<T>): NextCall<IterableCallChain, [T], T> {\n return nextCall((chain, pass) => chain.iterate(pass, iterable));\n}\n","import { isNextCall, NextCall__symbol } from '@proc7ts/call-thru';\nimport { overOne } from '../construction';\nimport type { PushIterable } from '../push-iterable';\nimport { flatMapArray, flatMapIt } from '../transformation';\nimport type { IterableCallChain } from './iterable-call-chain';\n\ntype Args<TReturn> = IterableCallChain.Args<TReturn>;\ntype Out<TReturn> = IterableCallChain.Out<TReturn>;\n\n/\n Passes each element of the given iterable trough the {@link IterableCallChain \| chain of transformation passes}.\n \n The passes are preformed by `@proc7ts/call-thru`.\n \n @returns An push iterable of transformed elements.\n /\nexport function thruIt<\n T, TReturn1\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n): PushIterable<Out<TReturn1>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n): PushIterable<Out<TReturn2>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n): PushIterable<Out<TReturn3>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n TArgs6 extends Args<TReturn5>, TReturn6,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n pass6: (this: void, ...args: TArgs6) => TReturn6,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n TArgs6 extends Args<TReturn5>, TReturn6,\n TArgs7 extends Args<TReturn6>, TReturn7,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n pass6: (this: void, ...args: TArgs6) => TReturn6,\n pass7: (this: void, ...args: TArgs7) => TReturn7,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n TArgs6 extends Args<TReturn5>, TReturn6,\n TArgs7 extends Args<TReturn6>, TReturn7,\n TArgs8 extends Args<TReturn7>, TReturn8,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n pass6: (this: void, ...args: TArgs6) => TReturn6,\n pass7: (this: void, ...args: TArgs7) => TReturn7,\n pass8: (this: void, ...args: TArgs8) => TReturn8,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n TArgs6 extends Args<TReturn5>, TReturn6,\n TArgs7 extends Args<TReturn6>, TReturn7,\n TArgs8 extends Args<TReturn7>, TReturn8,\n TArgs9 extends Args<TReturn8>, TReturn9,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n pass6: (this: void, ...args: TArgs6) => TReturn6,\n pass7: (this: void, ...args: TArgs7) => TReturn7,\n pass8: (this: void, ...args: TArgs8) => TReturn8,\n pass9: (this: void, ...args: TArgs9) => TReturn9,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n TArgs6 extends Args<TReturn5>, TReturn6,\n TArgs7 extends Args<TReturn6>, TReturn7,\n TArgs8 extends Args<TReturn7>, TReturn8,\n TArgs9 extends Args<TReturn8>, TReturn9,\n TArgs10 extends Args<TReturn9>, TReturn10,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n pass6: (this: void, ...args: TArgs6) => TReturn6,\n pass7: (this: void, ...args: TArgs7) => TReturn7,\n pass8: (this: void, ...args: TArgs8) => TReturn8,\n pass9: (this: void, ...args: TArgs9) => TReturn9,\n pass10: (this: void, ...args: TArgs10) => TReturn10,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n TArgs6 extends Args<TReturn5>, TReturn6,\n TArgs7 extends Args<TReturn6>, TReturn7,\n TArgs8 extends Args<TReturn7>, TReturn8,\n TArgs9 extends Args<TReturn8>, TReturn9,\n TArgs10 extends Args<TReturn9>, TReturn10,\n TArgs11 extends Args<TReturn10>, TReturn11,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n pass6: (this: void, ...args: TArgs6) => TReturn6,\n pass7: (this: void, ...args: TArgs7) => TReturn7,\n pass8: (this: void, ...args: TArgs8) => TReturn8,\n pass9: (this: void, ...args: TArgs9) => TReturn9,\n pass10: (this: void, ...args: TArgs10) => TReturn10,\n pass11: (this: void, ...args: TArgs11) => TReturn11,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n TArgs6 extends Args<TReturn5>, TReturn6,\n TArgs7 extends Args<TReturn6>, TReturn7,\n TArgs8 extends Args<TReturn7>, TReturn8,\n TArgs9 extends Args<TReturn8>, TReturn9,\n TArgs10 extends Args<TReturn9>, TReturn10,\n TArgs11 extends Args<TReturn10>, TReturn11,\n TArgs12 extends Args<TReturn11>, TReturn12,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n pass6: (this: void, ...args: TArgs6) => TReturn6,\n pass7: (this: void, ...args: TArgs7) => TReturn7,\n pass8: (this: void, ...args: TArgs8) => TReturn8,\n pass9: (this: void, ...args: TArgs9) => TReturn9,\n pass10: (this: void, ...args: TArgs10) => TReturn10,\n pass11: (this: void, ...args: TArgs11) => TReturn11,\n pass12: (this: void, ...args: TArgs12) => TReturn12,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<\n T, TReturn1,\n TArgs2 extends Args<TReturn1>, TReturn2,\n TArgs3 extends Args<TReturn2>, TReturn3,\n TArgs4 extends Args<TReturn3>, TReturn4,\n TArgs5 extends Args<TReturn4>, TReturn5,\n TArgs6 extends Args<TReturn5>, TReturn6,\n TArgs7 extends Args<TReturn6>, TReturn7,\n TArgs8 extends Args<TReturn7>, TReturn8,\n TArgs9 extends Args<TReturn8>, TReturn9,\n TArgs10 extends Args<TReturn9>, TReturn10,\n TArgs11 extends Args<TReturn10>, TReturn11,\n TArgs12 extends Args<TReturn11>, TReturn12,\n TArgs13 extends Args<TReturn12>, TReturn13,\n >(\n it: Iterable<T>,\n pass1: (this: void, arg: T) => TReturn1,\n pass2: (this: void, ...args: TArgs2) => TReturn2,\n pass3: (this: void, ...args: TArgs3) => TReturn3,\n pass4: (this: void, ...args: TArgs4) => TReturn4,\n pass5: (this: void, ...args: TArgs5) => TReturn5,\n pass6: (this: void, ...args: TArgs6) => TReturn6,\n pass7: (this: void, ...args: TArgs7) => TReturn7,\n pass8: (this: void, ...args: TArgs8) => TReturn8,\n pass9: (this: void, ...args: TArgs9) => TReturn9,\n pass10: (this: void, ...args: TArgs10) => TReturn10,\n pass11: (this: void, ...args: TArgs11) => TReturn11,\n pass12: (this: void, ...args: TArgs12) => TReturn12,\n pass13: (this: void, ...args: TArgs13) => TReturn13,\n): PushIterable<Out<TReturn4>>;\n\nexport function thruIt<T, TReturn>(\n it: Iterable<T>,\n ...passes: ((...args: any[]) => any)[]\n): PushIterable<TReturn> {\n\n const chain = (outcome: PushIterable<any>[], index: number): IterableCallChain => {\n\n const lastPass = index >= passes.length;\n\n ++index;\n\n const pass = index < passes.length ? passes[index] : () => { / empty pass / };\n const handleResult = (outcome: PushIterable<any>[], callResult: any, arg: any): void => {\n if (isNextCall(callResult)) {\n callResult[NextCall__symbol](chain(outcome, index), pass);\n } else if (lastPass) {\n outcome.push(overOne(arg));\n } else {\n chain(outcome, index).pass(pass, callResult);\n }\n };\n\n return ({\n call<TArgs extends any[]>(fn: (...args: TArgs) => any, args: TArgs): void {\n handleResult(outcome, fn(...args), args);\n },\n pass<TArgs>(fn: (arg: TArgs) => any, arg: TArgs): void {\n handleResult(outcome, fn(arg), arg);\n },\n skip() {/ skip item */},\n iterate<TElement>(fn: (this: void, arg: TElement) => void, iterable: Iterable<TElement>): void {\n outcome.push(flatMapIt(\n iterable,\n item => {\n\n const itemOutcome: PushIterable<any>[] = [];\n\n handleResult(itemOutcome, fn(item), item);\n\n return flatMapArray(itemOutcome);\n },\n ));\n },\n });\n };\n\n const finalOutcome: PushIterable<any>[] = [];\n\n chain(finalOutcome, 0).iterate(passes[0], it);\n\n return flatMapArray<TReturn>(finalOutcome);\n}\n"],"names":[],"mappings":";;;AAGA;;;;;;;;;;;;SAYgB,WAAW,CAAI,QAAqB;IAClD,OAAO,QAAQ,CAAC,CAAC,KAAK,EAAE,IAAI,KAAK,KAAK,CAAC,OAAO,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC,CAAC;AAClE;;SCsPgB,MAAM,CAClB,EAAe,EACf,GAAG,MAAmC;IAGxC,MAAM,KAAK,GAAG,CAAC,OAA4B,EAAE,KAAa;QAExD,MAAM,QAAQ,GAAG,KAAK,IAAI,MAAM,CAAC,MAAM,CAAC;QAExC,EAAE,KAAK,CAAC;QAER,MAAM,IAAI,GAAG,KAAK,GAAG,MAAM,CAAC,MAAM,GAAG,MAAM,CAAC,KAAK,CAAC,GAAG,SAA0B,CAAC;QAChF,MAAM,YAAY,GAAG,CAAC,OAA4B,EAAE,UAAe,EAAE,GAAQ;YAC3E,IAAI,UAAU,CAAC,UAAU,CAAC,EAAE;gBAC1B,UAAU,CAAC,gBAAgB,CAAC,CAAC,KAAK,CAAC,OAAO,EAAE,KAAK,CAAC,EAAE,IAAI,CAAC,CAAC;aAC3D;iBAAM,IAAI,QAAQ,EAAE;gBACnB,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC;aAC5B;iBAAM;gBACL,KAAK,CAAC,OAAO,EAAE,KAAK,CAAC,CAAC,IAAI,CAAC,IAAI,EAAE,UAAU,CAAC,CAAC;aAC9C;SACF,CAAC;QAEF,QAAQ;YACN,IAAI,CAAsB,EAA2B,EAAE,IAAW;gBAChE,YAAY,CAAC,OAAO,EAAE,EAAE,CAAC,GAAG,IAAI,CAAC,EAAE,IAAI,CAAC,CAAC;aAC1C;YACD,IAAI,CAAQ,EAAuB,EAAE,GAAU;gBAC7C,YAAY,CAAC,OAAO,EAAE,EAAE,CAAC,GAAG,CAAC,EAAE,GAAG,CAAC,CAAC;aACrC;YACD,IAAI,MAAoB;YACxB,OAAO,CAAW,EAAuC,EAAE,QAA4B;gBACrF,OAAO,CAAC,IAAI,CAAC,SAAS,CAClB,QAAQ,EACR,IAAI;oBAEF,MAAM,WAAW,GAAwB,EAAE,CAAC;oBAE5C,YAAY,CAAC,WAAW,EAAE,EAAE,CAAC,IAAI,CAAC,EAAE,IAAI,CAAC,CAAC;oBAE1C,OAAO,YAAY,CAAC,WAAW,CAAC,CAAC;iBAClC,CACJ,CAAC,CAAC;aACJ;SACF,EAAE;KACJ,CAAC;IAEF,MAAM,YAAY,GAAwB,EAAE,CAAC;IAE7C,KAAK,CAAC,YAAY,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;IAE9C,OAAO,YAAY,CAAU,YAAY,CAAC,CAAC;AAC7C;;;;"}
		{"version":3,"file":"push-iterator.call-thru.js","sources":["../src/call-thru/next-iterate.ts","../src/call-thru/thru-it.ts"],"sourcesContent":[null,null],"names":[],"mappings":";;;AAGA;;;;;;;;;;;AAWG;AACG,SAAU,WAAW,CAAI,QAAqB,EAAA;AAClD,IAAA,OAAO,QAAQ,CAAC,CAAC,KAAK,EAAE,IAAI,KAAK,KAAK,CAAC,OAAO,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC,CAAC;AAClE;;SCyUgB,MAAM,CACpB,EAAe,EACf,GAAG,MAA2C,EAAA;AAE9C,IAAA,MAAM,KAAK,GAAG,CAAC,OAAgC,EAAE,KAAa,KAAuB;AACnF,QAAA,MAAM,QAAQ,GAAG,KAAK,IAAI,MAAM,CAAC,MAAM,CAAC;AAExC,QAAA,EAAE,KAAK,CAAC;AAER,QAAA,MAAM,IAAI,GACR,KAAK,GAAG,MAAM,CAAC,MAAM;AACnB,cAAE,MAAM,CAAC,KAAK,CAAC;cACb,MAAK;;AAEL,aAAC,CAAC;QACR,MAAM,YAAY,GAAG,CACnB,OAA4B,EAC5B,UAAmB,EACnB,GAAY,KACJ;AACR,YAAA,IAAI,UAAU,CAAC,UAAU,CAAC,EAAE;AAC1B,gBAAA,UAAU,CAAC,gBAAgB,CAAC,CAAC,KAAK,CAAC,OAAO,EAAE,KAAK,CAAC,EAAE,IAAI,CAAC,CAAC;AAC3D,aAAA;AAAM,iBAAA,IAAI,QAAQ,EAAE;gBACnB,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC;AAC5B,aAAA;AAAM,iBAAA;AACL,gBAAA,KAAK,CAAC,OAAO,EAAE,KAAK,CAAC,CAAC,IAAI,CAAC,IAAI,EAAE,UAAU,CAAC,CAAC;AAC9C,aAAA;AACH,SAAC,CAAC;QAEF,OAAO;YACL,IAAI,CAAsB,EAA2B,EAAE,IAAW,EAAA;gBAChE,YAAY,CAAC,OAAO,EAAE,EAAE,CAAC,GAAG,IAAI,CAAC,EAAE,IAAI,CAAC,CAAC;aAC1C;YACD,IAAI,CAAQ,EAAuB,EAAE,GAAU,EAAA;gBAC7C,YAAY,CAAC,OAAO,EAAE,EAAE,CAAC,GAAG,CAAC,EAAE,GAAG,CAAC,CAAC;aACrC;YACD,IAAI,GAAA;;aAEH;YACD,OAAO,CACL,EAAuC,EACvC,QAA4B,EAAA;gBAE5B,OAAO,CAAC,IAAI,CACV,SAAS,CAAC,QAAQ,EAAE,IAAI,IAAG;oBACzB,MAAM,WAAW,GAAwB,EAAE,CAAC;oBAE5C,YAAY,CAAC,WAAW,EAAE,EAAE,CAAC,IAAI,CAAC,EAAE,IAAI,CAAC,CAAC;AAE1C,oBAAA,OAAO,YAAY,CAAC,WAAW,CAAC,CAAC;iBAClC,CAAC,CACH,CAAC;aACH;SACF,CAAC;AACJ,KAAC,CAAC;IAEF,MAAM,YAAY,GAAwB,EAAE,CAAC;AAE7C,IAAA,KAAK,CAAC,YAAY,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;AAE9C,IAAA,OAAO,YAAY,CAAU,YAAY,CAAC,CAAC;AAC7C;;;;"}

+47

-573

dist/push-iterator.js

		@@ -1,10 +0,4 @@
		/**
		* A key of {@link PushIterable} iteration method.
		*/
		const PushIterator__symbol = ( /#__PURE__/Symbol('push-iterator'));
		import { m as makePushIterable, a as arrayLike$iterate, i as isPushIterable, P as PushIterator__symbol, b as PushIterator$empty, c as iterator$convert, d as iterator$pusher, f as flatMapArray$, e as flatMapArray$defaultElementOf, g as indexed$iterate, h as indexed$itemOf, o as overOne, j as overNone, k as PushIterator$iterator, l as PushIterator$dontIterate, n as PushIterator$noNext, p as iterateIt, q as indexed$process, r as arrayLike$elementOf, s as iterable$process, t as makePushIterator, u as flatMapIndexed$ } from './flat-map-it-79cb7cb7.js';
		export { v as flatMapArray, w as flatMapIt } from './flat-map-it-79cb7cb7.js';

		function isPushIterable(iterable) {
		return !!iterable[PushIterator__symbol];
		}

		function iteratorOf(iterable) {
		@@ -15,168 +9,2 @@ return iterable[Symbol.iterator]();
		/**
		* Creates a push iterable implementation.
		*
		* @typeParam T - Iterated elements type.
		* @param iterate - A function iterating over iterable elements conforming to {@link PushIterable.Iterate} requirements.
		*
		* @returns New push iterable instance performing iteration by `forNext` function.
		*/
		function makePushIterable(iterate) {
		return {
		[Symbol.iterator]: PushIterable$iterator,
		[PushIterator__symbol]: iterate,
		};
		}
		function PushIterable$iterator() {
		return this[PushIterator__symbol]();
		}

		function PushIterator$iterator() {
		return this;
		}
		function PushIterator$next() {
		for (;;) {
		let result;
		const tail = this[PushIterator__symbol](value => {
		result = { value };
		return true;
		}, 1 /* Next */);
		if (result) {
		return result;
		}
		if (tail.isOver()) {
		return { done: true };
		}
		}
		}

		const PushIterator$empty = {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](_accept, _mode) {
		return this;
		},
		next: PushIterator$noNext,
		isOver: PushIterator$over,
		};
		function PushIterator$noNext() {
		return { done: true };
		}
		function PushIterator$dontIterate(_accept, _mode) {
		// Do not iterate
		}
		function PushIterator$over() {
		return true;
		}

		/**
		* Creates a push iterator implementation.
		*
		* @typeParam T - Iterated elements type.
		* @param forNext - A function iterating over elements conforming to push iteration protocol.
		*
		* @returns New push iterator instance performing iteration by `forNext` function.
		*/
		function makePushIterator(forNext) {
		let over = false;
		let iterate = (accept) => {
		if (accept && !forNext(accept)) {
		over = true;
		iterate = PushIterator$dontIterate;
		}
		};
		return {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](accept) {
		iterate(accept);
		return this;
		},
		next: PushIterator$next,
		isOver: () => over,
		};
		}

		function indexed$itemOf(indexed, index) {
		return indexed.item(index); // The index is always valid.
		}
		function indexed$process(indexed, elementOf, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		if (mode === 2 /* All */) {
		for (let i = 0; i < indexed.length; ++i) {
		accept(elementOf(indexed, i));
		}
		}
		else {
		for (let i = 0; i < indexed.length; ++i) {
		if (accept(elementOf(indexed, i)) === false) {
		break;
		}
		}
		}
		return PushIterator$empty;
		}
		function indexed$some(indexed, elementOf, accept) {
		let i = 0;
		const forNext = (accept) => {
		if (i >= indexed.length) {
		return false;
		}
		for (;;) {
		const goOn = accept(elementOf(indexed, i++));
		if (i >= indexed.length \|\| goOn === false) {
		return false;
		}
		if (goOn === true) {
		return true;
		}
		}
		};
		if (accept && !forNext(accept)) {
		return PushIterator$empty;
		}
		let over = false;
		let iterate = (accept) => {
		if (accept && !forNext(accept)) {
		over = true;
		iterate = PushIterator$dontIterate;
		// eslint-disable-next-line @typescript-eslint/no-use-before-define
		next = PushIterator$noNext;
		}
		};
		let next = () => {
		if (i < indexed.length) {
		return { value: elementOf(indexed, i++) };
		}
		over = true;
		iterate = PushIterator$dontIterate;
		next = PushIterator$noNext;
		return { done: true };
		};
		return {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](accept) {
		iterate(accept);
		return this;
		},
		next: () => next(),
		isOver: () => over,
		};
		}
		function indexed$iterate(indexed, elementOf) {
		return (accept, mode = 0 /* Some */) => accept && mode > 0
		? indexed$process(indexed, elementOf, accept, mode)
		: indexed$some(indexed, elementOf, accept);
		}

		function arrayLike$elementOf(array, index) {
		return array[index];
		}
		function arrayLike$process(array, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		return indexed$process(array, arrayLike$elementOf, accept, mode);
		}
		function arrayLike$some(array, accept) {
		return indexed$some(array, arrayLike$elementOf, accept);
		}
		function arrayLike$iterate(array) {
		return indexed$iterate(array, arrayLike$elementOf);
		}

		/**
		* Creates a {@link PushIterable \| push iterable} over elements of array-like structure.
		@@ -193,169 +21,3 @@ *

		function iterable$process(iterable, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		if (mode === 2 /* All */) {
		for (const element of iterable) {
		accept(element);
		}
		}
		else {
		for (const element of iterable) {
		if (accept(element) === false) {
		break;
		}
		}
		}
		return PushIterator$empty;
		}

		function iterator$convert(it, forNext) {
		let over = false;
		let iterate = (accept) => {
		if ((over = !!accept && !forNext(accept))) {
		iterate = PushIterator$dontIterate;
		// eslint-disable-next-line @typescript-eslint/no-use-before-define
		next = PushIterator$noNext;
		}
		};
		let next = () => {
		const res = it.next();
		if (res.done) {
		over = true;
		iterate = PushIterator$dontIterate;
		next = PushIterator$noNext;
		}
		return res;
		};
		return {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](accept) {
		iterate(accept);
		return this;
		},
		next() {
		return next();
		},
		isOver: () => over,
		};
		}
		function iterator$pusher(it) {
		return accept => {
		for (;;) {
		const res = it.next();
		if (res.done) {
		return false;
		}
		const status = accept(res.value);
		if (typeof status === 'boolean') {
		return status;
		}
		}
		};
		}

		/**
		* Iterates over elements of the given iterable.
		*
		* Calls `accept` method for each iterated element until there are elements to iterate, or `accept` returned either
		* `true` or `false`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to iterate elements of.
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `true` to suspend iteration, or `false` to stop it.
		* @param mode - Optional iteration mode hint declaring what `accept` function shall do.
		*
		* @returns A push iterator instance representing the tail of the given iterable. This iterator can be used to continue
		* iteration with, unless `accept` returned `false`. In the latter case the further iteration won't be possible.
		*/
		function iterateIt(iterable, accept, mode = 0 /* Some */) {
		if (isPushIterable(iterable)) {
		return iterable[PushIterator__symbol](accept, mode);
		}
		if (Array.isArray(iterable)) {
		return iterateIt$array(iterable, accept, mode);
		}
		return iterateIt$raw(iterable, accept, mode);
		}
		function iterateIt$array(array, accept, mode) {
		return array.length
		? (mode > 0 ? arrayLike$process(array, accept, mode) : arrayLike$some(array, accept))
		: PushIterator$empty;
		}
		function iterateIt$raw(iterable, accept, mode) {
		if (mode > 0) {
		return iterable$process(iterable, accept, mode);
		}
		const it = iterable[Symbol.iterator]();
		if (isPushIterable(it)) {
		return it[PushIterator__symbol](accept, mode);
		}
		const forEach = iterator$pusher(it);
		return forEach(accept)
		? iterator$convert(it, forEach)
		: PushIterator$empty;
		}

		function flatMapIndexed$(indexed, elementsOf) {
		return (accept, mode = 0 /* Some */) => {
		if (accept && mode > 0) {
		return flatMapIndexed$process(indexed, elementsOf, accept, mode);
		}
		let i = 0;
		let subs;
		const forNext = (accept) => {
		if (i >= indexed.length) {
		return false;
		}
		if (!subs) {
		subs = elementsOf(indexed, i);
		}
		for (;;) {
		let status;
		const subsTail = iterateIt(subs, element => status = accept(element));
		if (subsTail.isOver()) {
		if (++i >= indexed.length) {
		return false;
		}
		subs = elementsOf(indexed, i);
		}
		else {
		subs = subsTail;
		}
		if (typeof status === 'boolean') {
		return status;
		}
		}
		};
		return accept && !forNext(accept)
		? PushIterator$empty
		: makePushIterator(forNext);
		};
		}
		function flatMapIndexed$process(indexed, elementsOf, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		if (mode === 2 /* All */) {
		for (let i = 0; i < indexed.length; ++i) {
		iterateIt(elementsOf(indexed, i), accept, mode);
		}
		}
		else {
		let status;
		const subProcess = (element) => status = accept(element);
		for (let i = 0; i < indexed.length; ++i) {
		iterateIt(elementsOf(indexed, i), subProcess, mode);
		if (status === false) {
		break;
		}
		}
		}
		return PushIterator$empty;
		}

		function flatMapArray$(array, elementsOf) {
		return makePushIterable(flatMapIndexed$(array, elementsOf));
		}
		function flatMapArray$defaultElementOf(array, index) {
		return array[index];
		}

		/**
		* Creates a {@link PushIterable \| push iterable} over elements of iterator created by the given function.
		@@ -372,3 +34,3 @@ *
		function overIterator$iterate(iterate) {
		return (accept, mode = 0 /* Some */) => {
		return (accept, mode = 0 /* PushIterationMode.Some */) => {
		const it = iterate();
		@@ -379,5 +41,3 @@ if (isPushIterable(it)) {
		const forNext = iterator$pusher(it);
		return accept && !forNext(accept)
		? PushIterator$empty
		: iterator$convert(it, forNext);
		return accept && !forNext(accept) ? PushIterator$empty : iterator$convert(it, forNext);
		};
		@@ -411,3 +71,5 @@ }
		? flatMapArray$(sources, flatMapArray$defaultElementOf)
		: (sources.length ? overIterable(sources[0]) : PushIterator$empty);
		: sources.length
		? overIterable(sources[0])
		: PushIterator$empty;
		}
		@@ -428,56 +90,2 @@
		/**
		* Returns a {@link PushIterator push iterator} without elements.
		*
		* @typeParam T - Iterated elements type.
		*
		* @returns Empty push iterator instance.
		*/
		function overNone() {
		return PushIterator$empty;
		}

		/**
		* Creates a {@link PushIterable \| push iterable} over one value.
		*
		* @typeParam T - Iterated element value type.
		* @param value - A value to iterate over.
		*
		* @returns New push iterable over the given value.
		*/
		function overOne(value) {
		return makePushIterable(iterateOverOneValue(value));
		}
		function iterateOverOneValue(value) {
		return accept => {
		if (accept) {
		accept(value);
		return PushIterator$empty;
		}
		let over = false;
		return {
		[Symbol.iterator]: PushIterator$iterator,
		[PushIterator__symbol](accept) {
		if (over) {
		return PushIterator$empty;
		}
		if (accept) {
		over = true;
		accept(value);
		return PushIterator$empty;
		}
		return this;
		},
		next() {
		if (over) {
		return { done: over };
		}
		over = true;
		return { value };
		},
		isOver: () => over,
		};
		};
		}

		/**
		* Creates a {@link PushIterable \| push iterable} over many values.
		@@ -491,7 +99,3 @@ *
		function overMany(...values) {
		return values.length > 1
		? overArray(values)
		: (values.length
		? overOne(values[0])
		: overNone());
		return values.length > 1 ? overArray(values) : values.length ? overOne(values[0]) : overNone();
		}
		@@ -511,3 +115,3 @@
		function reverseArray$iterate(array) {
		return (accept, mode = 0 /* Some */) => {
		return (accept, mode = 0 /* PushIterationMode.Some */) => {
		if (accept && mode > 0) {
		@@ -539,3 +143,2 @@ return reverseArray$process(array, accept, mode);
		iterate = PushIterator$dontIterate;
		// eslint-disable-next-line @typescript-eslint/no-use-before-define
		next = PushIterator$noNext;
		@@ -565,3 +168,3 @@ }
		function reverseArray$process(array, accept, mode /* PushIterationMode.Only \| PushIterationMode.All */) {
		if (mode === 2 /* All */) {
		if (mode === 2 /* PushIterationMode.All */) {
		for (let i = array.length - 1; i >= 0; --i) {
		@@ -590,3 +193,5 @@ accept(array[i]);
		function itsEach(iterable, action) {
		iterateIt(iterable, element => { action(element); }, 2 /* All */);
		iterateIt(iterable, element => {
		action(element);
		}, 2 /* PushIterationMode.All */);
		}
		@@ -608,3 +213,5 @@
		const result = [];
		it[PushIterator__symbol](element => { result.push(convert(element)); }, 2 /* All */);
		it[PushIterator__symbol](element => {
		result.push(convert(element));
		}, 2 /* PushIterationMode.All */);
		return result;
		@@ -625,9 +232,7 @@ }
		const it = iterable[Symbol.iterator]();
		return isPushIterable(it)
		? itsEmpty$(it)
		: !!it.next().done;
		return isPushIterable(it) ? itsEmpty$(it) : !!it.next().done;
		}
		function itsEmpty$(it) {
		let isEmpty = true;
		it[PushIterator__symbol](_element => isEmpty = false, 1 /* Only */);
		it[PushIterator__symbol](_element => (isEmpty = false), 1 /* PushIterationMode.Only */);
		return isEmpty;
		@@ -652,3 +257,3 @@ }
		return allMatch ? void 0 : false;
		}, 1 /* Only */);
		}, 1 /* PushIterationMode.Only */);
		return allMatch;
		@@ -677,3 +282,3 @@ }
		}
		}, 1 /* Only */);
		}, 1 /* PushIterationMode.Only */);
		return find;
		@@ -702,3 +307,3 @@ }
		return false;
		}, 1 /* Only */);
		}, 1 /* PushIterationMode.Only */);
		return first;
		@@ -721,5 +326,3 @@ }
		const it = iterable[Symbol.iterator]();
		return isPushIterable(it)
		? it
		: iterator$convert(it, iterator$pusher(it));
		return isPushIterable(it) ? it : iterator$convert(it, iterator$pusher(it));
		}
		@@ -744,3 +347,3 @@
		}
		}, 1 /* Only */);
		}, 1 /* PushIterationMode.Only */);
		return match;
		@@ -764,3 +367,5 @@ }
		let reduced = initialValue;
		iterateIt(iterable, element => { reduced = reducer(reduced, element); }, 2 /* All */);
		iterateIt(iterable, element => {
		reduced = reducer(reduced, element);
		}, 2 /* PushIterationMode.All */);
		return reduced;
		@@ -785,3 +390,3 @@ }
		return someMatches ? false : void 0;
		}, 1 /* Only */);
		}, 1 /* PushIterationMode.Only */);
		return someMatches;
		@@ -805,5 +410,5 @@ }
		function filterIndexed$(indexed, elementOf, test) {
		return (accept, mode = 0 /* Some */) => {
		return (accept, mode = 0 /* PushIterationMode.Some */) => {
		if (accept && mode > 0) {
		return indexed$process(indexed, elementOf, element => test(element) ? accept(element) : void 0, mode);
		return indexed$process(indexed, elementOf, element => (test(element) ? accept(element) : void 0), mode);
		}
		@@ -833,3 +438,2 @@ let i = 0;
		iterate = PushIterator$dontIterate;
		// eslint-disable-next-line @typescript-eslint/no-use-before-define
		next = PushIterator$noNext;
		@@ -873,3 +477,3 @@ }
		function filterIt(source, test) {
		return makePushIterable((accept, mode = 0 /* Some */) => {
		return makePushIterable((accept, mode = 0 /* PushIterationMode.Some */) => {
		if (accept && mode > 0) {
		@@ -881,12 +485,12 @@ const acceptElement = (element) => test(element) ? accept(element) : void 0;
		}
		const forNext = isPushIterable(source)
		? filterIt$(source, test)
		: filterIt$raw(source, test);
		return accept && !forNext(accept)
		? PushIterator$empty
		: makePushIterator(forNext);
		const forNext = isPushIterable(source) ? filterIt$(source, test) : filterIt$raw(source, test);
		return accept && !forNext(accept) ? PushIterator$empty : makePushIterator(forNext);
		});
		}
		function filterIt$(source, test) {
		return accept => !(source = source[PushIterator__symbol](element => test(element) ? accept(element) : void 0)).isOver();
		return accept => {
		const src = source[PushIterator__symbol](element => (test(element) ? accept(element) : void 0));
		source = src;
		return !src.isOver();
		};
		}
		@@ -915,8 +519,2 @@ function filterIt$raw(source, test) {

		function flatMapArray(array, convert) {
		return flatMapArray$(array, convert
		? (array, index) => convert(array[index])
		: flatMapArray$defaultElementOf);
		}

		function flatMapIndexed(indexed, convert) {
		@@ -931,115 +529,2 @@ return makePushIterable(flatMapIndexed$(indexed, convert

		function flatMapIt(source, convert = flatMapIt$defaultConverter) {
		return makePushIterable((accept, mode = 0 /* Some */) => {
		if (accept && mode > 0) {
		return isPushIterable(source)
		? flatMapIt$process(source, convert, accept, mode)
		: flatMapIt$raw$process(source, convert, accept, mode);
		}
		const forNext = isPushIterable(source)
		? flatMapIt$(source, convert)
		: flatMapIt$raw(source, convert);
		return accept && !forNext(accept)
		? overNone()
		: makePushIterator(forNext);
		});
		}
		function flatMapIt$(source, convert) {
		let subs;
		let lastSrc = false;
		return accept => {
		for (;;) {
		while (!subs) {
		const sourceTail = source[PushIterator__symbol](src => {
		subs = convert(src);
		return true;
		});
		source = sourceTail;
		if (sourceTail.isOver()) {
		if (!subs) {
		return false;
		}
		lastSrc = true;
		}
		}
		let status;
		const subsTail = iterateIt(subs, element => status = accept(element));
		if (subsTail.isOver()) {
		subs = undefined;
		if (lastSrc) {
		return false;
		}
		}
		else {
		subs = subsTail;
		}
		if (typeof status === 'boolean') {
		return status;
		}
		}
		};
		}
		function flatMapIt$raw(source, convert) {
		const it = source[Symbol.iterator]();
		if (isPushIterable(it)) {
		return flatMapIt$(it, convert);
		}
		let subs;
		return accept => {
		for (;;) {
		if (!subs) {
		const next = it.next();
		if (next.done) {
		return false;
		}
		subs = convert(next.value);
		}
		// eslint-disable-next-line @typescript-eslint/no-invalid-void-type
		let status;
		const subsTail = iterateIt(subs, element => status = accept(element));
		subs = subsTail.isOver() ? undefined : subsTail;
		if (typeof status === 'boolean') {
		return status;
		}
		}
		};
		}
		function flatMapIt$process(source, convert, accept, mode) {
		if (mode === 2 /* All */) {
		source[PushIterator__symbol](src => iterateIt(convert(src), accept, mode));
		}
		else {
		let status;
		const subProcess = (element) => status = accept(element);
		source[PushIterator__symbol]((src) => {
		iterateIt(convert(src), subProcess, mode);
		if (status === false) {
		return false;
		}
		});
		}
		return PushIterator$empty;
		}
		function flatMapIt$raw$process(source, convert, accept, mode) {
		if (mode === 2 /* All */) {
		for (const src of source) {
		iterateIt(convert(src), accept, mode);
		}
		}
		else {
		let status;
		const subProcess = (element) => status = accept(element);
		for (const src of source) {
		iterateIt(convert(src), subProcess, mode);
		if (status === false) {
		break;
		}
		}
		}
		return PushIterator$empty;
		}
		function flatMapIt$defaultConverter(element) {
		return element;
		}

		/**
		@@ -1088,3 +573,3 @@ * Creates a {@link PushIterable \| push iterable} with the results of calling a provided function on every element
		function mapIt(source, convert) {
		return makePushIterable((accept, mode = 0 /* Some */) => {
		return makePushIterable((accept, mode = 0 /* PushIterationMode.Some */) => {
		if (accept && mode > 0) {
		@@ -1096,8 +581,4 @@ const acceptElement = (element) => accept(convert(element));
		}
		const forNext = isPushIterable(source)
		? mapIt$(source, convert)
		: mapIt$raw(source, convert);
		return accept && !forNext(accept)
		? overNone()
		: makePushIterator(forNext);
		const forNext = isPushIterable(source) ? mapIt$(source, convert) : mapIt$raw(source, convert);
		return accept && !forNext(accept) ? overNone() : makePushIterator(forNext);
		});
		@@ -1128,5 +609,5 @@ }
		function valueIndexed$(indexed, elementOf, valueOf) {
		return (accept, mode = 0 /* Some */) => {
		return (accept, mode = 0 /* PushIterationMode.Some */) => {
		if (accept && mode > 0) {
		return indexed$process(indexed, (source, index) => valueOf(elementOf(source, index)), value => value != null && value !== false ? accept(value) : void 0, mode);
		return indexed$process(indexed, (source, index) => valueOf(elementOf(source, index)), value => (value != null && value !== false ? accept(value) : void 0), mode);
		}
		@@ -1156,3 +637,2 @@ let i = 0;
		iterate = PushIterator$dontIterate;
		// eslint-disable-next-line @typescript-eslint/no-use-before-define
		next = PushIterator$noNext;
		@@ -1243,9 +723,7 @@ }
		function valueIt(source, valueOf) {
		return makePushIterable((accept, mode = 0 /* Some */) => {
		return makePushIterable((accept, mode = 0 /* PushIterationMode.Some */) => {
		if (accept && mode > 0) {
		const acceptElement = (element) => {
		const value = valueOf(element);
		return value != null && value !== false
		? accept(value)
		: void 0;
		return value != null && value !== false ? accept(value) : void 0;
		};
		@@ -1259,5 +737,3 @@ return isPushIterable(source)
		: valueIt$raw(source, valueOf);
		return accept && !forNext(accept)
		? PushIterator$empty
		: makePushIterator(forNext);
		return accept && !forNext(accept) ? PushIterator$empty : makePushIterator(forNext);
		});
		@@ -1268,5 +744,3 @@ }
		const value = valueOf(element);
		return value != null && value !== false
		? accept(value)
		: void 0;
		return value != null && value !== false ? accept(value) : void 0;
		})).isOver();
		@@ -1311,3 +785,3 @@ }

		export { PushIterator__symbol, filterArray, filterIndexed, filterIt, flatMapArray, flatMapIndexed, flatMapIt, isPushIterable, iteratorOf, itsEach, itsElements, itsEmpty, itsEvery, itsFind, itsFirst, itsIterator, itsMatch, itsReduction, itsSome, makePushIterable, makePushIterator, mapArray, mapIndexed, mapIt, overArray, overElementsOf, overEntries, overIndexed, overIterable, overIterator, overKeys, overMany, overNone, overOne, reverseArray, valueArray, valueIndexed, valueIt };
		export { PushIterator__symbol, filterArray, filterIndexed, filterIt, flatMapIndexed, isPushIterable, iteratorOf, itsEach, itsElements, itsEmpty, itsEvery, itsFind, itsFirst, itsIterator, itsMatch, itsReduction, itsSome, makePushIterable, makePushIterator, mapArray, mapIndexed, mapIt, overArray, overElementsOf, overEntries, overIndexed, overIterable, overIterator, overKeys, overMany, overNone, overOne, reverseArray, valueArray, valueIndexed, valueIt };
		//# sourceMappingURL=push-iterator.js.map

+1

-1

LICENSE

		MIT License

		Copyright (c) 2020,2021 Ruslan Lopatin <ruslan.lopatin@gmail.com>
		Copyright (c) 2020-2023 Ruslan Lopatin <ruslan.lopatin@gmail.com>

		@@ -5,0 +5,0 @@ Permission is hereby granted, free of charge, to any person obtaining a copy

+55

-43

package.json

		{
		"name": "@proc7ts/push-iterator",
		"version": "3.1.0",
		"version": "3.1.1",
		"description": "Push iteration protocol",
		@@ -22,7 +22,19 @@ "keywords": [
		"type": "module",
		"main": "./dist/push-iterator.js",
		"types": "./index.d.ts",
		"types": "./dist/push-iterator.d.ts",
		"typesVersions": {
		"*": {
		"call-thru": [
		"./dist/push-iterator.call-thru.d.ts"
		]
		}
		},
		"exports": {
		".": "./dist/push-iterator.js",
		"./call-thru": "./dist/push-iterator.call-thru.js"
		".": {
		"types": "./dist/push-iterator.d.ts",
		"default": "./dist/push-iterator.js"
		},
		"./call-thru": {
		"type": "./dist/push-iterator.call-thru.d.ts",
		"default": "./dist/push-iterator.call-thru.js"
		}
		},
		@@ -38,31 +50,31 @@ "peerDependencies": {
		"devDependencies": {
		"@jest/globals": "^27.0.6",
		"@jest/globals": "^29.4.0",
		"@proc7ts/call-thru": "^4.4.0",
		"@rollup/plugin-commonjs": "^19.0.1",
		"@rollup/plugin-node-resolve": "^13.0.2",
		"@run-z/eslint-config": "^1.3.0",
		"@run-z/rollup-helpers": "^1.1.1",
		"@types/benchmark": "^2.1.1",
		"@types/node": "^12.20.16",
		"@typescript-eslint/eslint-plugin": "^4.28.3",
		"@typescript-eslint/parser": "^4.28.3",
		"@rollup/plugin-node-resolve": "^15.0.1",
		"@rollup/plugin-typescript": "^11.0.0",
		"@run-z/eslint-config": "^3.3.1",
		"@run-z/prettier-config": "^2.0.0",
		"@run-z/project-config": "^0.15.0",
		"@swc/core": "^1.3.28",
		"@swc/jest": "^0.2.24",
		"@types/benchmark": "^2.1.2",
		"@typescript-eslint/eslint-plugin": "^5.49.0",
		"@typescript-eslint/parser": "^5.49.0",
		"benchmark": "^2.1.4",
		"chalk": "^4.1.1",
		"eslint": "^7.30.0",
		"eslint-plugin-jest": "^24.3.6",
		"gh-pages": "^3.2.3",
		"jest": "^27.0.6",
		"jest-junit": "^12.2.0",
		"remark-cli": "^9.0.0",
		"remark-preset-lint-recommended": "^5.0.0",
		"rollup": "^2.53.2",
		"rollup-plugin-flat-dts": "^1.2.2",
		"chalk": "^5.2.0",
		"eslint": "^8.32.0",
		"eslint-plugin-jest": "^27.2.1",
		"gh-pages": "^5.0.0",
		"jest": "^29.4.0",
		"jest-junit": "^15.0.0",
		"prettier": "^2.8.3",
		"prettier-eslint-cli": "^7.1.0",
		"rollup": "^3.10.1",
		"rollup-plugin-sourcemaps": "^0.6.3",
		"rollup-plugin-typescript2": "^0.30.0",
		"run-z": "=1.9.2-bootstrap",
		"shx": "^0.3.3",
		"ts-jest": "^27.0.3",
		"tslib": "^2.3.0",
		"typedoc": "^0.21.4",
		"typescript": "^4.3.5"
		"rollup-plugin-unbundle": "^0.2.3",
		"run-z": "1.11.0-bootstrap",
		"ts-jest": "^29.0.5",
		"tslib": "^2.4.1",
		"typedoc": "^0.23.24",
		"typescript": "~4.9.4"
		},
		@@ -72,18 +84,18 @@ "scripts": {
		"benchmark": "run-z benchmark:build --then node --no-warnings --enable-source-maps ./target/benchmark.js",
		"benchmark:build": "run-z --then rollup --config rollup.benchmark.config.mjs",
		"benchmark:record": "run-z benchmark:build benchmark:record:node16 benchmark:record:node14 benchmark:record:node12",
		"benchmark:record:node12": "LANG=C FORCE_COLOR=0 npx -q node@12 ./target/benchmark.js > ./benchmarks/node12.txt",
		"benchmark:record:node14": "LANG=C FORCE_COLOR=0 npx -q node@14 ./target/benchmark.js > ./benchmarks/node14.txt",
		"benchmark:record:node16": "LANG=C FORCE_COLOR=0 npx -q node@16 ./target/benchmark.js > ./benchmarks/node16.txt",
		"bootstrap": "rollup -c",
		"benchmark:build": "run-z --then rollup --config rollup.benchmark.config.js",
		"benchmark:record": "run-z benchmark:build benchmark:record:node18 benchmark:record:node16 benchmark:record:node14",
		"benchmark:record:node14": "LANG=C FORCE_COLOR=0 pnpm --package node@14 dlx node ./target/benchmark.js > ./benchmarks/node14.txt",
		"benchmark:record:node16": "LANG=C FORCE_COLOR=0 pnpm --package node@16 dlx node ./target/benchmark.js > ./benchmarks/node16.txt",
		"benchmark:record:node18": "LANG=C FORCE_COLOR=0 pnpm --package node@18 dlx node ./target/benchmark.js > ./benchmarks/node18.txt",
		"bootstrap": "build-z",
		"build": "run-z +z bootstrap",
		"ci:all": "run-z all +test/--ci/--runInBand",
		"clean": "run-z +z --then shx rm -rf 'index.d.ts?(.map)' '*/index.d.ts?(.map)' dist target",
		"clean": "run-z +z --then clean-z",
		"doc": "run-z +z --then typedoc",
		"doc:publish": "run-z doc --then gh-pages --dist target/typedoc --dotfiles",
		"lint": "run-z + lint:md --and eslint .",
		"lint:md": "run-z +z --then remark .",
		"test": "run-z +z env:NODE_OPTIONS='--experimental-vm-modules --no-warnings' --then jest",
		"z": "run-z +cmd:rollup,+cmd:typedoc,+cmd:eslint,+cmd:remark,+cmd:jest"
		"format": "run-z +z --then prettier-eslint --write --include-dot-files \"src/*/.\" \".{js,cjs,json,md}\"",
		"lint": "run-z +z --then eslint .",
		"test": "run-z +z env:NODE_OPTIONS=\"--experimental-vm-modules --no-warnings\" --then test-z",
		"z": "run-z +cmd:rollup,+cmd,+cmd:typedoc,+cmd:eslint,+cmd:jest"
		}
		}
		}

+95

-114

README.md

		@@ -1,3 +0,2 @@
		Push Iteration Protocol
		=======================
		# Push Iteration Protocol

		@@ -9,3 +8,3 @@ [![NPM][npm-image]][npm-url]
		[![GitHub Project][github-image]][github-url]
		[![API Documentation][api-docs-image]][API documentation]
		[![API Documentation][api-docs-image]][api documentation]

		@@ -26,4 +25,3 @@ Push iteration protocol is a faster alternative to traditional JavaScript [iteration protocol].
		[iteration protocol]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols
		[Iterator]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#The_iterator_protocol

		[iterator]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#The_iterator_protocol
		[npm-image]: https://img.shields.io/npm/v/@proc7ts/push-iterator.svg?logo=npm
		@@ -40,8 +38,6 @@ [npm-url]: https://www.npmjs.com/package/@proc7ts/push-iterator
		[api-docs-image]: https://img.shields.io/static/v1?logo=typescript&label=API&message=docs&color=informational
		[API documentation]: https://proc7ts.github.io/push-iterator/
		[api documentation]: https://proc7ts.github.io/push-iterator/

		## Instant Iteration

		Instant Iteration
		-----------------

		It is quite common to just iterate over [Iterable] instantly rather constructing its [Iterator]. The library supports
		@@ -52,6 +48,4 @@ this. For that, a `[PushIterator__symbol]` method may be defined for [Iterable] in addition to `[Symbol.iterator]` one.

		## Iteration Mode Hints

		Iteration Mode Hints
		--------------------

		The `[PushIterator__symbol](accept?, mode?)` method of `PushIterable` interface accepts optional _iteration mode_ hint
		@@ -74,6 +68,4 @@ as second parameter. The latter used to optimize iteration algorithm. Such hints provided by iterable consumption

		## Rationale

		Rationale
		---------

		Performance!
		@@ -92,8 +84,6 @@

		## Design Goals

		Design Goals
		------------
		1. Performance.

		1. Performance.

		Push iterators are faster. Still, a lot of the code base relies on raw iterators and arrays. The library contains
		@@ -112,11 +102,8 @@ performance optimizations to deal with it.

		[Iterable]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#The_iterable_protocol
		[iterable]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#The_iterable_protocol

		## API

		API
		---

		See the full [API documentation].


		### Push Iterable Construction
		@@ -126,38 +113,36 @@

		- [`overArray(array)`][overArray] - Creates a push iterable over elements of array-like structure.
		- [`overElementsOf(...iterables)`][overElementsOf] - Creates a push iterable over elements of other iterables.
		- [`overEntries(object)`][overEntries] - Creates a push iterable over the property key/value entries of the given
		- [`overArray(array)`][overarray] - Creates a push iterable over elements of array-like structure.
		- [`overElementsOf(...iterables)`][overelementsof] - Creates a push iterable over elements of other iterables.
		- [`overEntries(object)`][overentries] - Creates a push iterable over the property key/value entries of the given
		object.
		- [`overIndexed(indexed)`][overIndexed] - Creates a push iterable over items of [indexed list].
		- [`overIterable(iterable)`][overIterable] - Creates a push iterable over elements of the given raw iterable.
		- [`overIterator(() => Iterator)`][overIterator] - Creates a push iterable over elements of iterator created by the
		given function.
		- [`overKeys(object)`][overKeys] - Creates a push iterable over keys of the given object.
		- [`overMany(...values)`][overMany] - Creates a push iterable over many values.
		- [`overNone()`][overNone] - Returns a push iterable iterator without elements.
		- [`overOne(value)`][overOne] - Creates a push iterable over one value.
		- [`reverseArray(array)`][reverseArray] - Creates a push iterable over elements of array-like structure in reverse
		- [`overIndexed(indexed)`][overindexed] - Creates a push iterable over items of [indexed list].
		- [`overIterable(iterable)`][overiterable] - Creates a push iterable over elements of the given raw iterable.
		- [`overIterator(() => Iterator)`][overiterator] - Creates a push iterable over elements of iterator created by the
		given function.
		- [`overKeys(object)`][overkeys] - Creates a push iterable over keys of the given object.
		- [`overMany(...values)`][overmany] - Creates a push iterable over many values.
		- [`overNone()`][overnone] - Returns a push iterable iterator without elements.
		- [`overOne(value)`][overone] - Creates a push iterable over one value.
		- [`reverseArray(array)`][reversearray] - Creates a push iterable over elements of array-like structure in reverse
		order.

		[overArray]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overArray
		[overElementsOf]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overElementsOf
		[overEntries]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overEntries
		[overIndexed]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overIndexed
		[overIterable]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overIterable
		[overIterator]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overIterator
		[overKeys]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overKeys
		[overMany]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overMany
		[overNone]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overNone
		[overOne]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#overOne
		[reverseArray]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#reverseArray
		[overarray]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overArray
		[overelementsof]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overElementsOf
		[overentries]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overEntries
		[overindexed]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overIndexed
		[overiterable]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overIterable
		[overiterator]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overIterator
		[overkeys]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overKeys
		[overmany]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overMany
		[overnone]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overNone
		[overone]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#overOne
		[reversearray]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#reverseArray


		### Iteration

		[`iterateIt(iterable, accept): PushIterator`][iterateIt] function iterates over the leading elements of the given
		[`iterateIt(iterable, accept): PushIterator`][iterateit] function iterates over the leading elements of the given
		iterable and returns its trailing iterator.

		[iterateIt]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#iterateIt
		[iterateit]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#iterateIt


		### Iterable Consumption
		@@ -167,31 +152,30 @@

		- [`itsEach(iterable, action)`][itsEach] - Performs the given `action` for each element of the given `iterable`.
		- [`itsElements(iterable[, convert])`][itsElements] - Creates a new, shallow-copied array instance containing elements
		of the source iterable optionally converted by the given converter function. This is an `Array.from()` function
		analog optimized for push iterables.
		- [`itsEmpty(iterable): boolean`][itsEmpty] - Checks whether the given `iterable` is empty.
		- [`itsEvery(iterable, test): boolean`][itsEvery] - Tests whether all elements of the given `iterable` pass the test
		- [`itsEach(iterable, action)`][itseach] - Performs the given `action` for each element of the given `iterable`.
		- [`itsElements(iterable[, convert])`][itselements] - Creates a new, shallow-copied array instance containing elements
		of the source iterable optionally converted by the given converter function. This is an `Array.from()` function
		analog optimized for push iterables.
		- [`itsEmpty(iterable): boolean`][itsempty] - Checks whether the given `iterable` is empty.
		- [`itsEvery(iterable, test): boolean`][itsevery] - Tests whether all elements of the given `iterable` pass the test
		implemented by the provided function.
		- [`itsFind(iterable, search): R \| undefined`][itsFind] - Searches for the value in `iterable`.
		- [`itsFirst(iterable): T \| undefined`][itsFirst] - Extracts the first element of the given `iterable`, if any.
		- [`itsIterator(iterable)`][itsIterator] - Starts iteration over the given `iterable`. Always returns a push iterator.
		- [`itsMatch(iterable, test): T \| undefined`][itsMatch] - Extracts the first element matching the given condition from
		- [`itsFind(iterable, search): R \| undefined`][itsfind] - Searches for the value in `iterable`.
		- [`itsFirst(iterable): T \| undefined`][itsfirst] - Extracts the first element of the given `iterable`, if any.
		- [`itsIterator(iterable)`][itsiterator] - Starts iteration over the given `iterable`. Always returns a push iterator.
		- [`itsMatch(iterable, test): T \| undefined`][itsmatch] - Extracts the first element matching the given condition from
		`iterable`.
		- [`itsReduction(iterable, reducer, initialValue): T`][itsReduction] - Applies a function against an accumulator and
		each element of the given `iterable` to reduce elements to a single value.
		- [`itsSome(iterable, test): boolean`][itsSome] - Tests whether at least one element of the given `iterable` passes the
		- [`itsReduction(iterable, reducer, initialValue): T`][itsreduction] - Applies a function against an accumulator and
		each element of the given `iterable` to reduce elements to a single value.
		- [`itsSome(iterable, test): boolean`][itssome] - Tests whether at least one element of the given `iterable` passes the
		test implemented by the provided function.

		[itsEach]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsEach
		[itsElements]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsElements
		[itsEmpty]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsEmpty
		[itsEvery]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsEvery
		[itsFind]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsFind
		[itsFirst]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsFirst
		[itsIterator]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsIterator
		[itsMatch]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsMatch
		[itsReduction]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsReduction
		[itsSome]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#itsSome
		[itseach]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsEach
		[itselements]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsElements
		[itsempty]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsEmpty
		[itsevery]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsEvery
		[itsfind]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsFind
		[itsfirst]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsFirst
		[itsiterator]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsIterator
		[itsmatch]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsMatch
		[itsreduction]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsReduction
		[itssome]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#itsSome


		### Iterable Transformation
		@@ -201,36 +185,34 @@

		- [`filterIt(source, test)`][filterIt] - Creates a push iterable with all `source` iterable elements that pass the test
		- [`filterIt(source, test)`][filterit] - Creates a push iterable with all `source` iterable elements that pass the test
		implemented by provided function.
		- [`flatMapIt(source, convert?)`][flatMapIt] - First maps each element of the `source` iterable using a mapping
		- [`flatMapIt(source, convert?)`][flatmapit] - First maps each element of the `source` iterable using a mapping
		function, then flattens the result into new push iterable.
		- [`mapIt(source, convert)`][mapIt] - Creates a push iterable with the results of calling a provided function on every
		- [`mapIt(source, convert)`][mapit] - Creates a push iterable with the results of calling a provided function on every
		element of the `source` iterable.
		- [`valueIt(source, valueOf)`][valueIt] - Creates a push iterable with the values of elements of the `source` iterable.
		A more effective combination of [mapIt]/[filterIt].
		- [`valueIt(source, valueOf)`][valueit] - Creates a push iterable with the values of elements of the `source` iterable.
		A more effective combination of [mapIt]/[filterIt].

		[filterIt]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#filterIt
		[flatMapIt]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#flatMapIt
		[mapIt]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#mapIt
		[valueIt]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#valueIt

		[filterit]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#filterIt
		[flatmapit]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#flatMapIt
		[mapit]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#mapIt
		[valueit]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#valueIt

		### Array Transformation

		Each of the following functions accepts an array-like instance, and returns a push iterable:
		Each of the following functions accepts an array-like instance, and returns a push iterable:

		- [`filterArray(array, test)`][filterArray] - Creates a push iterable with all `array` elements that pass the test
		- [`filterArray(array, test)`][filterarray] - Creates a push iterable with all `array` elements that pass the test
		implemented by provided function.
		- [`flatMapArray(array, convert?)`][flatMapArray] - First maps each element of the source `array` using a mapping
		- [`flatMapArray(array, convert?)`][flatmaparray] - First maps each element of the source `array` using a mapping
		function, then flattens the result into new push iterable.
		- [`mapArray(array, convert)`][mapArray] - Creates a push iterable with the results of calling a provided function on
		- [`mapArray(array, convert)`][maparray] - Creates a push iterable with the results of calling a provided function on
		every element of the given `array`.
		- [`valueArray(array, valueOf)`][valueArray] - Creates a push iterable with the values of elements of the given `array`.
		- [`valueArray(array, valueOf)`][valuearray] - Creates a push iterable with the values of elements of the given `array`.
		A more effective combination of [mapArray]/[filterIt].

		[filterArray]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#filterArray
		[flatMapArray]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#flatMapArray
		[mapArray]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#mapArray
		[valueArray]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#valueArray
		[filterarray]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#filterArray
		[flatmaparray]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#flatMapArray
		[maparray]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#mapArray
		[valuearray]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#valueArray


		### Indexed List Transformation
		@@ -241,33 +223,32 @@
		- `length` contains the length of the list,
		- `item(index: number): T \| null \| undefined` returns the item value under the given index.
		- `item(index: number): T \| null \| undefined` returns the item value under the given index.

		Each of the following functions accepts an indexed list of items, and returns a push iterable:

		- [`filterIndexed(indexed, test)`][filterIndexed] - Creates a push iterable with all items of the given indexed list
		- [`filterIndexed(indexed, test)`][filterindexed] - Creates a push iterable with all items of the given indexed list
		that pass the test implemented by the provided function.
		- [`flatMapIndexed(indexed, convert?)`][flatMapIndexed] - First maps each item of the source indexed list using
		- [`flatMapIndexed(indexed, convert?)`][flatmapindexed] - First maps each item of the source indexed list using
		a mapping function, then flattens the result into new push iterable.
		- [`mapIndexed(array, convert)`][mapIndexed] - Creates a push iterable with the results of calling a provided function
		- [`mapIndexed(array, convert)`][mapindexed] - Creates a push iterable with the results of calling a provided function
		on every item of the given indexed list.
		- [`valueIndexed(array, convert)`][valueIndexed] - Creates a push iterable with the values of items of the given indexed
		- [`valueIndexed(array, convert)`][valueindexed] - Creates a push iterable with the values of items of the given indexed
		list. A more effective combination of [mapIndexed]/[filterIt].

		[indexed list]: https://proc7ts.github.io/push-iterator/interfaces/@proc7ts_push-iterator.IndexedItemList.html
		[filterIndexed]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#filterIndexed
		[flatMapIndexed]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#flatMapIndexed
		[mapIndexed]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#mapIndexed
		[valueIndexed]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#valueIndexed
		[indexed list]: https://proc7ts.github.io/push-iterator/interfaces/_proc7ts_push-iterator.IndexedItemList.html
		[filterindexed]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#filterIndexed
		[flatmapindexed]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#flatMapIndexed
		[mapindexed]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#mapIndexed
		[valueindexed]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#valueIndexed


		### Utilities

		- [`isPushIterable(iterable)`][isPushIterable] - Checks whether the given iterable or iterator conforms to push
		- [`isPushIterable(iterable)`][ispushiterable] - Checks whether the given iterable or iterator conforms to push
		iteration protocol.
		- [`iteratorOf(iterable)`][iteratorOf] - Creates iterator over elements of the given `iterable`.
		- [`makePushIterable(iterate)`][makePushIterable] - Creates a push iterable implementation.
		- [`makePushIterator(forNext)`][makePushIterator] - Creates a push iterator implementation.
		- [`iteratorOf(iterable)`][iteratorof] - Creates iterator over elements of the given `iterable`.
		- [`makePushIterable(iterate)`][makepushiterable] - Creates a push iterable implementation.
		- [`makePushIterator(forNext)`][makepushiterator] - Creates a push iterator implementation.

		[isPushIterable]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#isPushIterable
		[iteratorOf]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#iteratorOf
		[makePushIterable]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#makePushIterable
		[makePushIterator]: https://proc7ts.github.io/push-iterator/modules/Module__proc7ts_push_iterator.html#makePushIterator
		[ispushiterable]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#isPushIterable
		[iteratorof]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#iteratorOf
		[makepushiterable]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#makePushIterable
		[makepushiterator]: https://proc7ts.github.io/push-iterator/modules/_proc7ts_push_iterator.html#makePushIterator

-72

call-thru/index.d.ts

		/// <reference lib="es2019" />
		/// <reference path="../index.d.ts" />
		declare module "@proc7ts/push-iterator/call-thru" {
		import type { CallChain, NextCall, NextSkip } from "@proc7ts/call-thru";
		/**
		* A call chain transforming elements of iterable.
		*
		* Transformations performed when transformed element requested from final iterable.
		*/
		export interface IterableCallChain extends CallChain {
		/**
		* Calls a pass in this chain with each element of the given iterable.
		*
		* @typeParam T - Iterated elements type.
		* @param pass - A pass to call.
		* @param iterable - Source iterable.
		*/
		iterate<T>(pass: (this: void, arg: T) => any, iterable: Iterable<T>): void;
		}
		export namespace IterableCallChain {
		type Args<TReturn> = TReturn extends NextSkip<any> ? never : (TReturn extends (NextCall<IterableCallChain, infer A, any>) ? A : [
		TReturn
		]);
		type Out<TReturn> = TReturn extends NextSkip<any> ? never : (TReturn extends NextCall<IterableCallChain, any, infer A> ? A : TReturn);
		}
		}

		declare module "@proc7ts/push-iterator/call-thru" {
		import { NextCall } from "@proc7ts/call-thru";
		/**
		* Creates a next call in {@link IterableCallChain \| iterable call chain} that performs the next passes for each
		* element of the given iterable.
		*
		* This call passes elements to the next call on demand, while the `nextEach()` one transforms them all at once,
		* and iterates over results after that.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable containing elements to pass down the chain.
		*
		* @returns Next call for iterable call chain.
		*/
		export function nextIterate<T>(iterable: Iterable<T>): NextCall<IterableCallChain, [
		T
		], T>;
		}

		declare module "@proc7ts/push-iterator/call-thru" {
		import type { PushIterable } from "@proc7ts/push-iterator";
		type Args<TReturn> = IterableCallChain.Args<TReturn>;
		type Out<TReturn> = IterableCallChain.Out<TReturn>;
		/**
		* Passes each element of the given iterable trough the {@link IterableCallChain \| chain of transformation passes}.
		*
		* The passes are preformed by `@proc7ts/call-thru`.
		*
		* @returns An push iterable of transformed elements.
		*/
		export function thruIt<T, TReturn1>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1): PushIterable<Out<TReturn1>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2): PushIterable<Out<TReturn2>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3): PushIterable<Out<TReturn3>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9, TArgs10 extends Args<TReturn9>, TReturn10>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9, pass10: (this: void, ...args: TArgs10) => TReturn10): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9, TArgs10 extends Args<TReturn9>, TReturn10, TArgs11 extends Args<TReturn10>, TReturn11>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9, pass10: (this: void, ...args: TArgs10) => TReturn10, pass11: (this: void, ...args: TArgs11) => TReturn11): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9, TArgs10 extends Args<TReturn9>, TReturn10, TArgs11 extends Args<TReturn10>, TReturn11, TArgs12 extends Args<TReturn11>, TReturn12>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9, pass10: (this: void, ...args: TArgs10) => TReturn10, pass11: (this: void, ...args: TArgs11) => TReturn11, pass12: (this: void, ...args: TArgs12) => TReturn12): PushIterable<Out<TReturn4>>;
		export function thruIt<T, TReturn1, TArgs2 extends Args<TReturn1>, TReturn2, TArgs3 extends Args<TReturn2>, TReturn3, TArgs4 extends Args<TReturn3>, TReturn4, TArgs5 extends Args<TReturn4>, TReturn5, TArgs6 extends Args<TReturn5>, TReturn6, TArgs7 extends Args<TReturn6>, TReturn7, TArgs8 extends Args<TReturn7>, TReturn8, TArgs9 extends Args<TReturn8>, TReturn9, TArgs10 extends Args<TReturn9>, TReturn10, TArgs11 extends Args<TReturn10>, TReturn11, TArgs12 extends Args<TReturn11>, TReturn12, TArgs13 extends Args<TReturn12>, TReturn13>(it: Iterable<T>, pass1: (this: void, arg: T) => TReturn1, pass2: (this: void, ...args: TArgs2) => TReturn2, pass3: (this: void, ...args: TArgs3) => TReturn3, pass4: (this: void, ...args: TArgs4) => TReturn4, pass5: (this: void, ...args: TArgs5) => TReturn5, pass6: (this: void, ...args: TArgs6) => TReturn6, pass7: (this: void, ...args: TArgs7) => TReturn7, pass8: (this: void, ...args: TArgs8) => TReturn8, pass9: (this: void, ...args: TArgs9) => TReturn9, pass10: (this: void, ...args: TArgs10) => TReturn10, pass11: (this: void, ...args: TArgs11) => TReturn11, pass12: (this: void, ...args: TArgs12) => TReturn12, pass13: (this: void, ...args: TArgs13) => TReturn13): PushIterable<Out<TReturn4>>;
		}
		//# sourceMappingURL=index.d.ts.map

-1

call-thru/index.d.ts.map

-4

call-thru/package.json

		{
		"main": "../dist/push-iterator.call-thru.js",
		"types": "./index.d.ts"
		}

-858

index.d.ts

		/// <reference lib="es2019" />
		declare module "@proc7ts/push-iterator" {
		/**
		* Push iteration mode.
		*
		* This is a hint passed as second argument of {@link PushIterator__symbol} method. It declares what
		* {@link PushIterator.Acceptor element acceptor} shall do, and can be used to optimize the iteration algorithm.
		*/
		export const enum PushIterationMode {
		/**
		* Push the next element if exists, then suspend or abort.
		*
		* This value is typically set in compatibility mode. I.e. when standard iterator used to iterate over push iterator.
		*/
		Next = 1,
		/**
		* Push some elements. Iteration may be suspended or aborted at any moment.
		*
		* This iteration mode is used by default.
		*/
		Some = 0,
		/**
		* Push only some subset of elements, then abort iteration.
		*
		* The {@link PushIterator.Acceptor element acceptor} shall not suspend iteration by returning `true` value in this
		* mode.
		*/
		Only = 1,
		/**
		* Push all elements.
		*
		* The {@link PushIterator.Acceptor element acceptor} shall not suspend or abort iteration by returning boolean value
		* in this mode.
		*/
		All = 2
		}
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Iterator implementing push iteration protocol.
		*
		* @typeParam T - Iterated elements type.
		*/
		export interface PushIterator<T> extends IterableIterator<T>, PushIterable<T> {
		[Symbol.iterator](): PushIterator<T>;
		/**
		* Checks whether iteration is over.
		*
		* @returns `true` is there is nothing to iterate any more, or `false` if iteration is still possible.
		*/
		isOver(): boolean;
		}
		export namespace PushIterator {
		/**
		* A signature of iterated elements pusher function conforming to push iteration protocol.
		*
		* @typeParam T - Iterated elements type.
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `false` to stop iteration.
		*
		* @returns `true` if further iteration is possible, or `false` if there is no more elements left to iterate.
		* The latter is possible only when iteration aborted, i.e. `accept` returned `false`.
		*/
		type Pusher<T> = (this: void, accept: Acceptor<T>) => boolean;
		/**
		* A signature of a function accepting iterated elements.
		*
		* It is able to suspend iteration by returning `true`, or to stop it by returning `false`.
		*
		* @typeParam T - Iterated elements type.
		*/
		type Acceptor<T> = EachAcceptor<T> \| StoppingAcceptor<T>;
		/**
		* A signature of a function accepting each iterated element unconditionally.
		*
		* @typeParam T - Iterated elements type.
		* @param element - Iterated element.
		*/
		type EachAcceptor<T> = (this: void, element: T) => void;
		/**
		* A signature of a function accepting iterated elements and able to suspend or stop further iteration.
		*
		* When this function returns `true`, the iteration is suspended. I.e. the no more elements would be pushed to this
		* function, but the iteration method (`[PushIterator__symbol]`) would return an iterator that can be used to resume
		* iteration.
		*
		* When this function returns `false`, the iteration is stopped. I.e. the no more elements would be pushed to this
		* function, and the iteration method (`[PushIterator__symbol]`) would return an empty iterator. I.e. the one with
		* its {@link PushIterator.isOver} method always returning `true`.
		*
		* @typeParam T - Iterated elements type.
		* @param element - Iterated element.
		*
		* @returns `true` to suspend iteration, or `false` to stop it.
		*/
		type StoppingAcceptor<T> = (this: void, element: T) => boolean;
		}
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* A key of {@link PushIterable} iteration method.
		*/
		export const PushIterator__symbol: unique symbol;
		/**
		* An iterable implementing push iteration protocol.
		*
		* @typeParam T - Iterated elements type.
		*/
		export interface PushIterable<T> extends Iterable<T> {
		/**
		* Creates a {@link PushIterator \| push iterator} over elements of this iterable.
		*
		* @returns New push iterator instance.
		*/
		[Symbol.iterator](): PushIterator<T>;
		/**
		* Iterates over elements of this push iterable.
		*
		* Calls `accept` method for each iterated element until there are elements to iterate, or `accept` returned either
		* `true` or `false`.
		*
		* Calling this method with `accept` parameter is a faster alternative to creating a push iterator and iterating with
		* it.
		*
		* Calling this method without arguments is the same as calling `[Symbol.iterator]()` one.
		*
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `true` to suspend iteration, or `false` to stop it.
		* @param mode - Optional iteration mode hint declaring what `accept` function shall do. Ignored without `accept`
		* parameter.
		*
		* @returns A push iterator instance to continue iteration with. If `accept` returned `false` then further iteration
		* won't be possible with returned iterator.
		*/
		[PushIterator__symbol](accept?: PushIterator.Acceptor<T>, mode?: PushIterationMode): PushIterator<T>;
		}
		export namespace PushIterable {
		/**
		* A signature of function conforming to push iteration protocol.
		*
		* Used as `PushIterable[PushIterator__symbol]` method implementation when passed to {@link makePushIterable}
		* function.
		*
		* @typeParam T - Iterated elements type.
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `true` to suspend iteration, or `false` to stop it.
		* @param mode - Optional iteration mode hint declaring what `accept` function shall do. Ignored without `accept`
		* parameter.
		*
		* @returns A push iterator instance to continue iteration with. If `accept` returned `false` then further iteration
		* won't be possible with returned iterator.
		*/
		type Iterate<T> = (this: void, accept?: PushIterator.Acceptor<T>, mode?: PushIterationMode) => PushIterator<T>;
		}
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Checks whether the given iterable conforms to {@link PushIterable \| push iteration protocol}.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to check.
		*
		* @returns `true` if the given `iterable` has a {@link PushIterator__symbol [PushIterator__symbol]} property,
		* or `false` otherwise.
		*/
		export function isPushIterable<T>(iterable: Iterable<T>): iterable is PushIterable<T>;
		/**
		* Checks whether the given iterator conforms to {@link PushIterable \| push iteration protocol}.
		*
		* @typeParam T - Iterated elements type.
		* @param iterator - An iterator to check.
		*
		* @returns `true` if the given `iterator` has a {@link PushIterator__symbol \| [PushIterator__symbol]} property,
		* or `false` otherwise.
		*/
		export function isPushIterable<T>(iterator: Iterator<T>): iterator is PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a push iterator over elements of the given push `iterable`.
		*
		* Calls `iterable[Symbol.iterator]()` and returns its result.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - A push iterable to construct iterator of.
		*
		* @returns Push iterator.
		*/
		export function iteratorOf<T>(iterable: PushIterable<T>): PushIterator<T>;
		/**
		* Creates an iterable iterator over elements of the given `iterable` supporting iterable iteration.
		*
		* Calls `iterable[Symbol.iterator]()` and returns its result.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - A push iterable to construct iterator of.
		*
		* @returns Iterable iterator.
		*/
		export function iteratorOf<T>(iterable: {
		[Symbol.iterator](): IterableIterator<T>;
		}): IterableIterator<T>;
		/**
		* Creates iterator over elements of the given `iterable`.
		*
		* Calls `iterable[Symbol.iterator]()` and returns its result.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to construct iterator of.
		*
		* @returns Either push or raw iterator.
		*/
		export function iteratorOf<T>(iterable: Iterable<T>): Iterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a push iterable implementation.
		*
		* @typeParam T - Iterated elements type.
		* @param iterate - A function iterating over iterable elements conforming to {@link PushIterable.Iterate} requirements.
		*
		* @returns New push iterable instance performing iteration by `forNext` function.
		*/
		export function makePushIterable<T>(iterate: PushIterable.Iterate<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a push iterator implementation.
		*
		* @typeParam T - Iterated elements type.
		* @param forNext - A function iterating over elements conforming to push iteration protocol.
		*
		* @returns New push iterator instance performing iteration by `forNext` function.
		*/
		export function makePushIterator<T>(forNext: PushIterator.Pusher<T>): PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of array-like structure.
		*
		* @typeParam T - Array elements type.
		* @param array - An array-like structure. E.g. `Array`, DOM `NodeList`, etc.
		*
		* @returns New push iterable over array elements.
		*/
		export function overArray<T>(array: ArrayLike<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Iterates over elements of the given iterable.
		*
		* Calls `accept` method for each iterated element until there are elements to iterate, or `accept` returned either
		* `true` or `false`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to iterate elements of.
		* @param accept - A function to push iterated elements to. Accepts iterated element as its only parameter. May return
		* `true` to suspend iteration, or `false` to stop it.
		* @param mode - Optional iteration mode hint declaring what `accept` function shall do.
		*
		* @returns A push iterator instance representing the tail of the given iterable. This iterator can be used to continue
		* iteration with, unless `accept` returned `false`. In the latter case the further iteration won't be possible.
		*/
		export function iterateIt<T>(iterable: Iterable<T>, accept: PushIterator.Acceptor<T>, mode?: PushIterationMode): PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of iterator created by the given function.
		*
		* @typeParam T - Iterated elements type.
		* @param iterate - A function creating new iterator.
		*
		* @returns New push iterable over elements of created iterator.
		*/
		export function overIterator<T>(iterate: (this: void) => Iterator<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of the given raw iterable.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to iterate over elements of.
		*
		* @returns New push iterable over elements of the given `iterable`.
		*/
		export function overIterable<T>(iterable: Iterable<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of other iterables.
		*
		* @typeParam T - Iterated elements type.
		* @param sources - Source iterables to iterate over elements of.
		*
		* @returns New push iterable over elements of the given `sources`.
		*/
		export function overElementsOf<T>(...sources: readonly Iterable<T>[]): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* An indexed list of items.
		*
		* @typeParam T - Indexed item value.
		*/
		export interface IndexedItemList<T> {
		/**
		* The length of the list. I.e. the number of items it contains.
		*/
		readonly length: number;
		/**
		* Retrieves an item under the given index.
		*
		* @param index - Item index.
		*
		* @returns Either item value, or `null`/`undefined` if there is no item with such index, i.e. if the index is not
		* an integer value, is negative, or greater or equal to the {@link length}.
		*/
		item(index: number): T \| null \| undefined;
		}
		/**
		* Creates a {@link PushIterable \| push iterable} over items of {@link IndexedItemList \| indexed list}.
		*
		* @typeParam T - Indexed items type.
		* @param indexed - An indexed list of items. E.g. DOM `NodeList`.
		*
		* @returns New push iterable over list items.
		*/
		export function overIndexed<T>(indexed: IndexedItemList<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Returns a {@link PushIterator push iterator} without elements.
		*
		* @typeParam T - Iterated elements type.
		*
		* @returns Empty push iterator instance.
		*/
		export function overNone<T>(): PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over one value.
		*
		* @typeParam T - Iterated element value type.
		* @param value - A value to iterate over.
		*
		* @returns New push iterable over the given value.
		*/
		export function overOne<T>(value: T): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over many values.
		*
		* @typeParam T - Iterated elements value type.
		* @param values - Values to iterate over.
		*
		* @returns New push iterable over the given values.
		*/
		export function overMany<T>(...values: readonly T[]): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over elements of array-like structure in reverse order.
		*
		* @typeParam T - Array elements type.
		* @param array - An array-like structure. E.g. `Array`, DOM `NodeList`, etc.
		*
		* @returns New push iterable over array elements in reverse order.
		*/
		export function reverseArray<T>(array: ArrayLike<T>): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Performs the given `action` for each element of the given `iterable`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable of elements to perform actions on.
		* @param action - An action to perform on each iterable element. This is a function accepting an element as its only
		* parameter.
		*/
		export function itsEach<T>(iterable: Iterable<T>, action: (this: void, element: T) => void): void;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a new, shallow-copied array instance containing elements of the `source` iterable.
		*
		* Calling this function result to the same result as calling `Array.from(source)`, except it is optimized for
		* {@link PushIterable push iterables}.
		*
		* @typeParam T - Iterated elements type.
		* @param source - A source iterable to copy elements from.
		*
		* @returns New array of `source` elements.
		*/
		export function itsElements<T>(source: Iterable<T>): T[];
		/**
		* Creates a new, shallow-copied array instance containing elements of the `source` iterable converted by the given
		* converter function.
		*
		* Calling this function result to the same result as calling `Array.from(source, convert)`, except it is optimized for
		* {@link PushIterable push iterables}.
		*
		* @typeParam T - Iterated elements type.
		* @typeParam TConv - Resulting array elements type.
		* @param source - A source iterable to convert elements from.
		* @param convert - A function that produces an element of result array, taking element of `source` iterable as the only
		* parameter.
		*
		* @returns New array of elements converted from `source` ones.
		*/
		export function itsElements<T, TConv>(source: Iterable<T>, convert: (this: void, element: T) => TConv): TConv[];
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Checks whether the given `iterable` is empty.
		*
		* @param iterable - An iterable or push iterable to check for elements.
		*
		* @returns `true` if the given iterable contains at least one element, or `false` otherwise.
		*/
		export function itsEmpty(iterable: Iterable<unknown>): boolean;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Tests whether all elements of the given `iterable` pass the test implemented by the provided function.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to test elements of.
		* @param test - A predicate function to test each element. Returns `true` to continue tests, or `false` to stop it
		* and return `false` from the method call. It accepts the tested element as the only parameter.
		*
		* @returns `true` if the `test` function returned a truthy value for every element, or `false` otherwise.
		* Returns `true` for empty iterable.
		*/
		export function itsEvery<T>(iterable: Iterable<T>, test: (this: void, element: T) => boolean): boolean;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Searches for the value in `iterable`.
		*
		* @typeParam T - Iterated elements type.
		* @typeParam TFound - Found value type.
		* @param iterable - An iterable to extract element from.
		* @param search - A function extracting the value from elements. It is called for each iterated element until the value
		* found. Accepts element as the only parameter, and returns extracted value. If returns `false` or `undefined` the
		* search continues from the next element.
		*
		* @returns Either found value or `undefined`.
		*/
		export function itsFind<T, TFound>(iterable: Iterable<T>, search: (this: void, element: T) => TFound \| false \| undefined): TFound \| undefined;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Extracts the first element of the given `iterable`, if any.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to extract element from.
		*
		* @returns Either the first element, or `undefined` if the given `iterable` is empty.
		*/
		export function itsFirst<T>(iterable: Iterable<T>): T \| undefined;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Starts iteration over the given `iterable`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable or push iterable to iterate over.
		*
		* @returns A push iterator iterating over the given iterable.
		*/
		export function itsIterator<T>(iterable: Iterable<T>): PushIterator<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Extracts the first element matching the given condition from `iterable`.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to extract element from.
		* @param test - A predicate function to test elements. Returns truthy value for matching one. It accepts the tested
		* element as the only parameter.
		*
		* @returns Either the matching element, or `undefined` if no elements match.
		*/
		export function itsMatch<T>(iterable: Iterable<T>, test: (this: void, element: T) => boolean): T \| undefined;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Applies a function against an accumulator and each element of the given `iterable` to reduce elements to a single
		* value.
		*
		* @typeParam T - Iterated elements type.
		* @typeParam TResult - A type of reduced value.
		* @param iterable - An iterable to reduce values of.
		* @param reducer - A function to apply the value returned from the previous `reducer` call and to each element.
		* @param initialValue - Initial value passed to the first `reducer` call.
		*
		* @returns Reduced value returned from the last `reducer` call, or `initialValue` if there is no elements in the given
		* `iterable`.
		*/
		export function itsReduction<T, TResult>(iterable: Iterable<T>, reducer: (this: void, prev: TResult, element: T) => TResult, initialValue: TResult): TResult;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Tests whether at least one element of the given `iterable` passes the test implemented by the provided function.
		*
		* @typeParam T - Iterated elements type.
		* @param iterable - An iterable to test elements of.
		* @param test - A predicate function to test each element. Returns `false` to continue tests, or `true` to stop it
		* and return `true` from the method call. It accepts the tested element as the only parameter.
		*
		* @returns `true` if the callback function returned a truthy value for at least one element in the array, or `false`
		* otherwise. Returns `false` for empty iterable.
		*/
		export function itsSome<T>(iterable: Iterable<T>, test: (this: void, element: T) => boolean): boolean;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Object property entry.
		*
		* This is a tuple consisting of property key and value.
		*
		* @typeParam TObj - Object type.
		* @typeParam TKey - A type of object property keys.
		*/
		export type ObjectEntry<TObj, TKey extends keyof TObj = keyof TObj> = readonly [
		TKey,
		TObj[TKey]
		];
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over keys of the given object.
		*
		* A list of keys is constructed using `Reflect.ownKeys()`.
		*
		* @typeParam TObj - Source object type.
		* @param source - An object to select keys from.
		*
		* @returns New push iterable over own object keys retrieved by `Reflect.ownKeys()`.
		*/
		export function overKeys<TObj extends object>(source: TObj): PushIterable<keyof TObj>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable push iterable} with all `array` elements extending the given type.
		*
		* @typeParam T - A type of array elements.
		* @typeParam TTarget - Target type.
		* @param array - A source array.
		* @param test - A predicate function to test that element extends the type `TTarget`. Returns `true` to keep the
		* element, or `false` otherwise. It accepts the tested element as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterArray<T, TTarget extends T>(array: ArrayLike<T>, test: (this: void, element: T) => element is TTarget): PushIterable<TTarget>;
		/**
		* Creates a {@link PushIterable \| push iterable} with all `array` elements that pass the test implemented by
		* the provided function.
		*
		* @typeParam T - A type of array elements.
		* @param array - A source array.
		* @param test - A predicate function to test each element. Returns `true` to keep the element, or `false` otherwise.
		* It accepts the tested element as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterArray<T>(array: ArrayLike<T>, test: (this: void, element: T) => boolean): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with all items of the given indexed list that extend the given type.
		*
		* @typeParam T - Indexed items type.
		* @typeParam TTarget - Target type.
		* @param indexed - A source indexed items list.
		* @param test - A predicate function to test that item extends the type `TTarget`. Returns `true` to keep the element,
		* or `false` otherwise. It accepts the tested item as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterIndexed<T, TTarget extends T>(indexed: IndexedItemList<T>, test: (this: void, element: T) => element is TTarget): PushIterable<TTarget>;
		/**
		* Creates a {@link PushIterable \| push iterable} with all items of the given indexed list that pass the test
		* implemented by the provided function.
		*
		* @typeParam T - Indexed items type.
		* @param indexed - A source indexed items list.
		* @param test - A predicate function to test each item. Returns `true` to keep the item, or `false` otherwise.
		* It accepts the tested item as the only parameter.
		*
		* @returns New push iterable with the items that pass the test. If no items passed the test, an empty iterable
		* will be returned.
		*/
		export function filterIndexed<T>(indexed: IndexedItemList<T>, test: (this: void, element: T) => boolean): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with all `source` iterable elements extending the given type.
		*
		* @typeParam T - A type of source elements.
		* @typeParam TTarget - Target type.
		* @param source - A source iterable.
		* @param test - A predicate function to test that element extends the type `TTarget`. Returns `true` to keep the
		* element, or`false` otherwise. It accepts the tested element as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterIt<T, TTarget extends T>(source: Iterable<T>, test: (this: void, element: T) => element is TTarget): PushIterable<TTarget>;
		/**
		* Creates a {@link PushIterable \| push iterable} with all `source` iterable elements that pass the test implemented by
		* the provided function.
		*
		* @typeParam T - A type of source elements.
		* @param source - A source iterable.
		* @param test - A predicate function to test each element. Returns `true` to keep the element, or `false` otherwise.
		* It accepts the tested element as the only parameter.
		*
		* @returns New push iterable with the elements that pass the test. If no elements passed the test, an empty iterable
		* will be returned.
		*/
		export function filterIt<T>(source: Iterable<T>, test: (this: void, element: T) => boolean): PushIterable<T>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Flattens the source `array` of iterables into new {@link PushIterable \| push iterable}.
		*
		* Calling this function is the same as calling `flatMapArray(source, element => element)`.
		*
		* @typeParam T - A type of converted elements.
		* @param array - A source array-like instance of iterables.
		*
		* @returns New push iterable with each element of `array` being flattened.
		*/
		export function flatMapArray<T>(array: ArrayLike<Iterable<T>>): PushIterable<T>;
		/**
		* First maps each element of the source `array` using a mapping function, then flattens the result into new
		* {@link PushIterable \| push iterable}.
		*
		* @typeParam TSrc - A type of array elements.
		* @typeParam TConv - A type of converted elements.
		* @param array - A source array-like instance of elements to convert.
		* @param convert - A function that produces new iterable, taking array element as the only parameter.
		*
		* @returns New push iterable with each element being the flattened result of the `convert` function call.
		*/
		export function flatMapArray<TSrc, TConv>(array: ArrayLike<TSrc>, convert: (this: void, element: TSrc) => Iterable<TConv>): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Flattens the source list of indexed iterables into new {@link PushIterable \| push iterable}.
		*
		* Calling this function is the same as calling `flatMapIndexed(source, element => element)`.
		*
		* @typeParam T - A type of converted elements.
		* @param indexed - A source list of indexed iterables.
		*
		* @returns New push iterable with each element of indexed list being flattened.
		*/
		export function flatMapIndexed<T>(indexed: IndexedItemList<Iterable<T>>): PushIterable<T>;
		/**
		* First maps each item of the source indexed list using a mapping function, then flattens the result into new
		* {@link PushIterable \| push iterable}.
		*
		* @typeParam TSrc - A type of indexed items.
		* @typeParam TConv - A type of converted elements.
		* @param indexed - A source list of indexed items to convert.
		* @param convert - A function that produces new iterable, taking the list item as the only parameter.
		*
		* @returns New push iterable with each element being the flattened result of the `convert` function call.
		*/
		export function flatMapIndexed<TSrc, TConv>(indexed: IndexedItemList<TSrc>, convert: (this: void, element: TSrc) => Iterable<TConv>): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Flattens the source iterable of iterables into new {@link PushIterable \| push iterable}.
		*
		* Calling this function is the same as calling `flatMapIt(source, element => element)`.
		*
		* @typeParam T - A type of converted elements.
		* @param source - A source iterable of iterables.
		*
		* @returns New push iterable with each element of `source` being flattened.
		*/
		export function flatMapIt<T>(source: Iterable<Iterable<T>>): PushIterable<T>;
		/**
		* First maps each element of the `source` iterable using a mapping function, then flattens the result into new
		* {@link PushIterable \| push iterable}.
		*
		* @typeParam TSrc - A type of source elements.
		* @typeParam TConv - A type of converted elements.
		* @param source - A source iterable of elements to convert.
		* @param convert - A function that produces new iterable, taking the source element as the only parameter.
		*
		* @returns New push iterable with each element being the flattened result of the `convert` function call.
		*/
		export function flatMapIt<TSrc, TConv>(source: Iterable<TSrc>, convert: (this: void, element: TSrc) => Iterable<TConv>): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the results of calling a provided function on every element
		* of the given `array`.
		*
		* @typeParam TSrc - A type of array elements.
		* @typeParam TConv - A type of converted elements.
		* @param array - A source array-like instance.
		* @param convert - A function that produces an element of new iterable, taking array element as the only parameter.
		*
		* @returns New push iterable of transformed elements.
		*/
		export function mapArray<TSrc, TConv>(array: ArrayLike<TSrc>, convert: (this: void, element: TSrc) => TConv): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the results of calling a provided function on every item of the
		* given indexed list.
		*
		* @typeParam TSrc - A type of indexed list items.
		* @typeParam TConv - A type of converted elements.
		* @param indexed - A source indexed items list.
		* @param convert - A function that produces an element of new iterable, taking list item as the only parameter.
		*
		* @returns New push iterable of transformed elements.
		*/
		export function mapIndexed<TSrc, TConv>(indexed: IndexedItemList<TSrc>, convert: (this: void, element: TSrc) => TConv): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the results of calling a provided function on every element
		* of the `source` iterable.
		*
		* @typeParam TSrc - A type of source elements.
		* @typeParam TConv - A type of converted elements.
		* @param source - A source iterable.
		* @param convert - A function that produces an element of the new iterable, taking the source element as the only
		* parameter.
		*
		* @returns New push iterable of transformed elements.
		*/
		export function mapIt<TSrc, TConv>(source: Iterable<TSrc>, convert: (this: void, element: TSrc) => TConv): PushIterable<TConv>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the values of elements of the given `array`.
		*
		* Element value is the result of provided function call, except `false`, `null`, and `undefined` which are filtered
		* out.
		*
		* This can be used as a more effective {@link mapArray} / {@link filterIt} combination.
		*
		* @typeParam T - A type of array elements.
		* @typeParam TValue - A type of array element values.
		* @param array - A source array.
		* @param valueOf - A function that values elements, taking the source element as the only parameter, and returning
		* either its value, or `false`/`null`/`undefined` to filter it out.
		*
		* @returns New push iterable with array element values.
		*/
		export function valueArray<T, TValue = T>(array: ArrayLike<T>, valueOf: (this: void, element: T) => TValue \| false \| null \| undefined): PushIterable<TValue>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the values of items of the given indexed list.
		*
		* Item value is the result of provided function call, except `false`, `null`, and `undefined` which are filtered out.
		*
		* This can be used as a more effective {@link mapIndexed} / {@link filterIt} combination.
		*
		* @typeParam T - Indexed items type.
		* @typeParam TValue - A type of item values.
		* @param indexed - A source indexed items list.
		* @param valueOf - A function that values items, taking the source item as the only parameter, and returning either
		* its value, or `false`/`null`/`undefined` to filter it out.
		*
		* @returns New push iterable with the item values.
		*/
		export function valueIndexed<T, TValue = T>(indexed: IndexedItemList<T>, valueOf: (this: void, element: T) => TValue \| false \| null \| undefined): PushIterable<TValue>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} with the values of elements of the `source` iterable.
		*
		* Element value is the result of provided function call, except `false`, `null`, and `undefined` which are filtered
		* out.
		*
		* This can be used as a more effective {@link mapIt} / {@link filterIt} combination.
		*
		* @typeParam T - A type of source elements.
		* @typeParam TValue - A type of source element values.
		* @param source - A source iterable.
		* @param valueOf - A function that values elements, taking the source element as the only parameter, and returning
		* either its value, or `false`/`null`/`undefined` to filter it out.
		*
		* @returns New push iterable with the element values.
		*/
		export function valueIt<T, TValue = T>(source: Iterable<T>, valueOf: (this: void, element: T) => TValue \| false \| null \| undefined): PushIterable<TValue>;
		}

		declare module "@proc7ts/push-iterator" {
		/**
		* Creates a {@link PushIterable \| push iterable} over the property key/value entries of the given object.
		*
		* A list of keys is constructed using `Reflect.ownKeys()`.
		*
		* @typeParam TObj - Object type.
		*
		* @param source - An object to select keys and values from.
		*
		* @returns New push iterable of object property entries.
		*/
		export function overEntries<TObj extends object>(source: TObj): PushIterable<ObjectEntry<TObj>>;
		}
		//# sourceMappingURL=index.d.ts.map

-1

index.d.ts.map

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AC,KAAK,MAAM,GAAG,KAAK,GAAG,IAAI,GAAG,SAAS,GACvE,YAAY,CAAC,MAAM,CAAC,CA6BtB;;;;;;;;;;;;;;;ICxCD,MAAM,UAAU,WAAW,CAAC,IAAI,SAAS,MAAM,EAAE,MAAM,EAAE,IAAI,GAAG,YAAY,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC,CAK9F","file":"index.d.ts","sourceRoot":""}

-28

rollup.benchmark.config.mjs

		import commonjs from '@rollup/plugin-commonjs';
		import nodeResolve from '@rollup/plugin-node-resolve';
		import { externalModules } from '@run-z/rollup-helpers';
		import { defineConfig } from 'rollup';
		import sourcemaps from 'rollup-plugin-sourcemaps';
		import ts from 'rollup-plugin-typescript2';
		import typescript from 'typescript';

		export default defineConfig({
		input: './src/benchmarks/main.ts',
		plugins: [
		commonjs(),
		ts({
		typescript,
		tsconfig: 'tsconfig.benchmark.json',
		cacheRoot: 'target/.rts2_cache',
		useTsconfigDeclarationDir: true,
		}),
		nodeResolve(),
		sourcemaps(),
		],
		external: externalModules(),
		output: {
		format: 'esm',
		sourcemap: true,
		file: './target/benchmark.js',
		},
		});

-54

rollup.config.mjs

		import nodeResolve from '@rollup/plugin-node-resolve';
		import { externalModules } from '@run-z/rollup-helpers';
		import path from 'path';
		import { defineConfig } from 'rollup';
		import flatDts from 'rollup-plugin-flat-dts';
		import sourcemaps from 'rollup-plugin-sourcemaps';
		import ts from 'rollup-plugin-typescript2';
		import typescript from 'typescript';

		export default defineConfig({
		input: {
		'push-iterator': './src/index.ts',
		'push-iterator.call-thru': './src/call-thru/index.ts',
		},
		plugins: [
		ts({
		typescript,
		tsconfig: 'tsconfig.main.json',
		cacheRoot: 'target/.rts2_cache',
		}),
		nodeResolve(),
		sourcemaps(),
		],
		external: externalModules(),
		manualChunks(id) {
		if (id.startsWith(path.resolve('src', 'call-thru') + path.sep)) {
		return 'push-iterator.call-thru';
		}
		return 'push-iterator';
		},
		output: {
		format: 'esm',
		sourcemap: true,
		dir: '.',
		entryFileNames: 'dist/[name].js',
		chunkFileNames: 'dist/_[name].js',
		hoistTransitiveImports: false,
		plugins: [
		flatDts({
		tsconfig: 'tsconfig.main.json',
		lib: true,
		compilerOptions: {
		declarationMap: true,
		},
		entries: {
		'call-thru': {
		file: 'call-thru/index.d.ts',
		},
		},
		internal: ['/impl/', '*/.impl'],
		}),
		],
		},
		});

dist/push-iterator.js.map

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