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23 lines
544 B
23 lines
544 B
import LinkedList from './linked-list';
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export default class Queue {
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linkedList: LinkedList;
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constructor();
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/**
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* 队列是否为空
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*/
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isEmpty(): boolean;
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/**
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* 读取队列头部的元素， 不删除队列中的元素
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*/
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peek(): any;
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/**
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* 在队列的尾部新增一个元素
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* @param value
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*/
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enqueue(value: any): void;
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/**
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* 删除队列中的头部元素，如果队列为空，则返回 null
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*/
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dequeue(): any;
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toString(callback?: any): string;
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}
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