HH\ImmMap::differenceByKey

Returns a new ImmMap with the keys that are in the current ImmMap, but not in the provided KeyedTraversable

public function differenceByKey(
  KeyedTraversable<mixed, mixed> $traversable,
): ImmMap<Tk, Tv>;

Parameters

Returns

Examples

See [Map::differenceByKey](</hack/reference/class/Map/differenceByKey/#examples>) for usage examples.