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export class Queue<T> {
private _data = new Array();
constructor(data?: Array<T>) {
if (data !== undefined) {
this._data = data;
}
}
push(element: T): void {
this._data.push(element);
}
pushArray(arr: T[]): void {
for (var element of arr) {
this._data.push(element);
}
}
pop(): T | undefined {
return this._data.shift();
}
isEmpty(): boolean {
return this._data.length == 0;
}
peek() {
return this._data[0];
}
}
export class Stack<T> {
private _data = new Array();
constructor(data?: Array<T>) {
if (data !== undefined) {
this._data = data;
}
}
pop(): T | undefined {
return this._data.pop();
}
push(element: T): void {
this._data.push(element);
}
peek() {
if (this.length === 0) {
return undefined;
} else {
return this._data[this.length - 1];
}
}
get length() {
return this._data.length;
}
isEmpty() {
return this.length === 0;
}
clear() {
this._data = new Array();
}
cloneData() {
return new Array(this._data);
}
}
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