Function mapSet

src/common/map.ts:40–45

(
  map: Map<Key, Value> | undefined,
  key: Key,
  value?: Value,
)

  arrayMap([...(coll?.entries() ?? [])], ([key, value]) => cb(value, key));

export const mapSet = <Key, Value>(
  map: Map<Key, Value> | undefined,
  key: Key,
  value?: Value,
): Map<Key, Value> | undefined =>
  isUndefined(value) ? (collDel(map, key), map) : map?.set(key, value);

export const mapEquals = <Key, Value>(
  map1: Map<Key, Value>,