main
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Last change
on this file since 79a0317 was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 3 days ago |
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F4 Finalna Verzija
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Property mode
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100644
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File size:
500 bytes
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| 1 | 'use strict';
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| 2 | var Queue = function () {
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| 3 | this.head = null;
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| 4 | this.tail = null;
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| 5 | };
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| 6 |
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| 7 | Queue.prototype = {
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| 8 | add: function (item) {
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| 9 | var entry = { item: item, next: null };
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| 10 | var tail = this.tail;
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| 11 | if (tail) tail.next = entry;
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| 12 | else this.head = entry;
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| 13 | this.tail = entry;
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| 14 | },
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| 15 | get: function () {
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| 16 | var entry = this.head;
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| 17 | if (entry) {
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| 18 | var next = this.head = entry.next;
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| 19 | if (next === null) this.tail = null;
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| 20 | return entry.item;
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| 21 | }
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| 22 | }
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| 23 | };
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| 24 |
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| 25 | module.exports = Queue;
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