Function map

map<T, U>(f: (t: T) => U): (list: List.List<T>) => List.List<U>

Maps the function from T to U onto List.

Type Parameters

T
U

Parameters

f: (t: T) => U
The function to be mapped.

Returns (list: List.List<T>) => List.List<U>

The function mapped on List.

Examples

Example

const mapped = toIterator(map((x: number) => x * 3 + 1)(iota));
expect(mapped.next()).toStrictEqual({ value: 1, done: false });
expect(mapped.next()).toStrictEqual({ value: 4, done: false });
expect(mapped.next()).toStrictEqual({ value: 7, done: false });
expect(mapped.next()).toStrictEqual({ value: 10, done: false });