Home > rc-js-util > mapConcat
Used with maps that store arrays. Where an array exists for a given key the values will be appended to that array, otherwise a copy of values array will be inserted.
Signature:
export declare function mapConcat<TKey, TValue>(map: Map<TKey, TValue[]>, key: TKey, values: readonly TValue[]): void;
| Parameter | Type | Description |
|---|---|---|
| map | Map<TKey, TValue[]> | The Map to check. May be modified. |
| key | TKey | The key to lookup in map. |
| values | readonly TValue[] | The values to concat. |
Returns:
void
See mapConcat().