8 lines
No EOL
347 B
TypeScript
8 lines
No EOL
347 B
TypeScript
interface Array<T> {
|
|
reduce(callbackfn: (previousValue: T, currentValue: T, currentIndex: number, array: T[]) => T,
|
|
initialValue?: T): T;
|
|
reduce<U>(callbackfn: (previousValue: U, currentValue: T, currentIndex: number, array: T[]) => U,
|
|
initialValue: U): U;
|
|
}
|
|
var a: Array<string>;
|
|
var r5 = a.reduce((x, y) => x + y); |