Function mapClone

src/common/map.ts:130–137

(
  map: IdMap<MapValue> | undefined,
  mapValue?: (mapValue: MapValue) => MapValue,
)

  );

export const mapClone = <MapValue>(
  map: IdMap<MapValue> | undefined,
  mapValue?: (mapValue: MapValue) => MapValue,
): IdMap<MapValue> => {
  const map2: IdMap<MapValue> = mapNew();
  collForEach(map, (value, key) => map2.set(key, mapValue?.(value) ?? value));
  return map2;
};

export const mapClone2 = <MapValue>(map: IdMap2<MapValue> | undefined) =>
  mapClone(map, mapClone);