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 * Clones (copies) an Object using deep copying.

 * This function supports circular references by default, but if you are certain

 * there are no circular references in your object, you can save some CPU time

 * Caution: if `circular` is false and `parent` contains circular references,

 * your program may enter an infinite loop and crash.

 * @param `parent` - the object to be cloned

 * @param `circular` - set to true if the object to be cloned may contain

 *    circular references. (optional - true by default)

    function _clone(parent, context, child, cIndex) {

      // Deep clone all properties of parent into child

          if (circularParent[i] === parent) {

            // We found a circular reference

            circularReplace.push({'resolveTo': i, 'child': child, 'i': cIndex});

            return null; //Just return null for now...

            // we will resolve circular references later

        // Add to list of all parent objects

        circularParent[context] = parent;

            child[i] = _clone(parent[i], context + '[' + i + ']', child, i);

          child = new Date(parent.getTime());

        else if (parent instanceof RegExp)

          child = new RegExp(parent.source);

          // Also copy prototype over to new cloned object

          child.__proto__ = parent.__proto__;

        // Add to list of all cloned objects

        circularResolved[context] = child;

        child = parent; //Just a simple shallow clone will do

        child = parent; //Just a simple shallow copy will do

    // Now this object has been cloned. Let's check to see if there are any

      if (c && c.child && c.i in c.child) {

        c.child[c.i] = circularResolved[c.resolveTo];

    // Deep clone all properties of parent into child

          child[i] = clone(parent[i], circular);

        child = new Date(parent.getTime() );

        child = new RegExp(parent.source);

        child.__proto__ = parent.__proto__;

      child = parent; // Just a simple shallow clone will do

clone.clonePrototype = require('./clonePrototype.js');

  "description": "deep cloning of objects and arrays",

    "url": "git://github.com/pvorb/node-clone.git"

    "url": "https://github.com/pvorb/node-clone/issues"

  "author": "Paul Vorbach <paul@vorb.de> (http://vorb.de)",

    "Blake Miner <miner.blake@gmail.com> (http://www.blakeminer.com/)",

    "Tian You <axqd001@gmail.com> (http://blog.axqd.net/)",

    "George Stagas <gstagas@gmail.com> (http://stagas.com/)",

    "Tobiasz Cudnik <tobiasz.cudnik@gmail.com> (https://github.com/TobiaszCudnik)",

    "Pavel Lang <langpavel@phpskelet.org> (https://github.com/langpavel)"

    "test": "./node_modules/nodeunit/bin/nodeunit ./test.js"

  console.log('Run this test file with nodeunit:');

exports["clone string"] = function(test) {

exports["clone number"] = function(test) {

exports["clone object"] = function(test) {

  test.ok(_(a).isEqual(b), "underscore equal");

exports["clone array"] = function(test) {

exports["clone object containing array"] = function(test) {

  //console.log(util.inspect(aCopy, true, null) );

  //console.log("------------------------------------------------------------");

  //console.log(util.inspect(a, true, null) );

    return util.inspect(x, true, null) === util.inspect(y, true, null);

exports['clonePrototype'] = function(test) {

		module.exports = clone;

		/**
		* Clones an Object using deep cloning.
		* Clones (copies) an Object using deep copying.
		*
		@@ -64,3 +64,3 @@ * This function supports circular references by default, but if you are certain
		else
		child = parent; //Just a simple shallow clone will do
		child = parent; //Just a simple shallow copy will do
		return child;
		@@ -108,1 +108,4 @@ }
		}

		// see: clonePrototype.js
		clone.clonePrototype = require('./clonePrototype.js');

		@@ -11,3 +11,3 @@ {
		],
		"version": "0.0.7",
		"version": "0.1.0",
		"repository": {
		@@ -41,2 +41,2 @@ "type": "git",
		}
		}
		}

		@@ -124,3 +124,3 @@ if(module.parent === null) {
		_(aCopy.c[0] == a.c[0]);


		//console.log(util.inspect(aCopy, true, null) );
		@@ -143,1 +143,20 @@ //console.log("------------------------------------------------------------");
		};



		exports['clonePrototype'] = function(test) {
		test.expect(3); // how many tests?

		var a = {
		a: "aaa",
		x: 123,
		y: 45.65
		};
		var b = clone.clonePrototype(a);

		test.strictEqual(b.a, a.a);
		test.strictEqual(b.x, a.x);
		test.strictEqual(b.y, a.y);

		test.done();
		}

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