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Simple Future Variables in javascript.
$ npm install futr
var Future = require('futr')
, assert = require('assert')
;
var one = Future.create()
, two = Future.create()
, three = Future.create()
;
// One has no value...
assert.ok(!one.get());
assert.ok(typeof one.get() === 'undefined');
one.set(1);
assert.strictEqual(1, one.get());
assert.throws(function() {
// Futures are set once...
one.set(2);
});
// Futures will invoke a callback if one
// is given to the #get method.
var capture;
var before = two.get(function (val) {
capture = val;
});
assert.ok(typeof before === 'undefined');
assert.ok(typeof capture === 'undefined');
// now set the second future...
var after = two.set(2);
assert.strictEqual(after, 2);
// and check that the callback was invoked.
assert.strictEqual(capture, 2);
// Futures will report whether they have a value...
assert.ok(one.has());
assert.ok(two.has());
assert.ok(!three.has());
FAQs
Simple Future Variables in javascript.
We found that futr demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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