File: genericConstraint2.ts

package info (click to toggle)
node-typescript 4.9.5%2Bds1-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 533,908 kB
  • sloc: javascript: 2,018,330; makefile: 7; sh: 1
file content (21 lines) | stat: -rw-r--r-- 517 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
interface Comparable<T> {
    comparer(other: T): number;
}

function compare<T extends Comparable<T>>(x: T, y: T): number {
    if (x == null) return y == null ? 0 : -1;
    if (y == null) return 1;
    return x.comparer(y);
}

class ComparableString implements Comparable<string>{
    constructor(public currentValue: string) { }

    localeCompare(other) {
        return 0;
    }
}

var a = new ComparableString("a");
var b = new ComparableString("b");
var c = compare<ComparableString>(a, b);