21 lines
No EOL
517 B
TypeScript
21 lines
No EOL
517 B
TypeScript
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); |