15 lines
242 B
TypeScript
15 lines
242 B
TypeScript
|
// @declaration: true
|
||
|
|
/*
|
||
|
|
var n: number[];
|
||
|
|
|
||
|
|
interface Array<T> {
|
||
|
|
map<U>(callbackfn: (value: T, index: number, array: T[]) => U, thisArg?: any): U[];
|
||
|
|
}
|
||
|
|
|
||
|
|
interface String{
|
||
|
|
length: number;
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
|
||
|
|
var lengths = ["a", "b", "c"].map(x => x.length);
|