Home > rc-js-util > mapUnion
Returns a map with keys from both A and B. If both A and B have the same key the value from B will be used.
Signature:
export declare function mapUnion<TKey, TIem>(a: ReadonlyMap<TKey, TIem>, b: ReadonlyMap<TKey, TIem>): Map<TKey, TIem>;
Parameter | Type | Description |
---|---|---|
a | ReadonlyMap<TKey, TIem> | |
b | ReadonlyMap<TKey, TIem> |
Returns:
Map<TKey, TIem>
See mapUnion().