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queue-example's Introduction

Queue-Example

export class Queue<T> {
  constructor(list: T[] = []) {
    for (const item of list) {
      this.enqueue(item);
    }
  }

  private elements: Record<number, T> = {};
  private head = 0;
  private tail = 0;

  enqueue(element: T) {
    this.elements[this.tail] = element;

    this.tail++;
  }

  dequeue() {
    const item = this.elements[this.head];

    delete this.elements[this.head];

    this.head++;

    return item;
  }

  get length() {
    return this.tail - this.head;
  }
  
   get isEmpty() {
    return this.length === 0;
  }
}

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