Function setIn

src/functional/setIn.ts:12–19

(collection: C, keyPath: KeyPath<K>, value: unknown)

 * work with plain Objects and Arrays.
 */
export function setIn<
  K extends PropertyKey,
  V,
  TProps extends object,
  C extends PossibleCollection<K, V, TProps>,
>(collection: C, keyPath: KeyPath<K>, value: unknown): C {
  return updateIn(collection, keyPath, NOT_SET, () => value);
}