algorithm-ts/Dict.ts at master · knewbie/algorithm-ts · GitHub

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export class Dict<T>{
    private data: any;
    private num: number;

    constructor() {
        this.data = {};
        this.num = 0;
    }

    public add(key: string, val: T) {
        this.data[key] = val;
        this.num++;
    }

    public find(key: string): T {
        return this.data[key];
    }ßßß

    public remove(key: string) {
        delete this.data[key];
        this.num--;
    }

    public clear() {
        for (let k in this.data) {
            delete this.data[k];
        }
        this.num = 0;
    }

    public count(): number {
        return Object.keys(this.data).length;
    }

    public display() {
        for (let k in this.data) {
            console.log(k, " => ", this.data[k]);
        }
    }
}