mapWithKey

mapWithKey<A, B>(f): <K>(data) => Readonly<Record<K, B>>

Defined in: Data/Rec.ts:284

Transforms each value in a record, also receiving the key.

Type Parameters

A

A

B

B

Parameters

f

(key, a) => B

Returns

<K>(data) => Readonly<Record<K, B>>

Example

pipe({ a: 1, b: 2 }, Rec.mapWithKey((k, v) => `${k}:${v}`));
// { a: "a:1", b: "b:2" }