| 1 | export default class Queue {
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| 2 | private _queue
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| 3 |
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| 4 | constructor() {
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| 5 | this._queue = []
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| 6 | }
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| 7 |
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| 8 | public enqueue(m) {
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| 9 | this._queue.push(m)
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| 10 | }
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| 11 |
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| 12 | public unqueue() {
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| 13 | return this._queue.shift()
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| 14 | }
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| 15 |
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| 16 | public hasItem() {
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| 17 | return this._queue.length > 0
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| 18 | }
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| 19 | } |
| \ | No newline at end of file |