ソート

sort.ts

function compareTo(calls: (() => number)[]): number {
    for (let call of calls) {
        let i = call();
        if (i!==0) {
            return i;
        }
    }

    return 0;
}

class Hoge {
    a: number;
    b: number;
    c: number;
    d: number;

    compareTo(that: Hoge): number {
        return compareTo([
            () => {
                if(this.a<that.a){
                    return 1;
                }else if(this.a>that.a){
                    return -1;
                }else{
                    return 0;
                }
            },
            () => {
                if(this.b<that.b){
                    return 1;
                }else if(this.b>that.b){
                    return -1;
                }else{
                    return 0;
                }
            },
            () => {
                if(this.c<that.c){
                    return 1;
                }else if(this.c>that.c){
                    return -1;
                }else{
                    return 0;
                }
            },
            () => {
                if(this.d<that.d){
                    return 1;
                }else if(this.d>that.d){
                    return -1;
                }else{
                    return 0;
                }
            }
        ]);
    }
}