HH\ImmMap::fromItems

Creates an ImmMap from the given Traversable, or an empty ImmMap if null is passed

public static function fromItems(
  ?Traversable<Pair<Tk, Tv>> $iterable,
): ImmMap<Tk, Tv>;

This is the static method version of the ImmMap::__construct() constructor.

Parameters

ImmMap<Tk,Tv> - An ImmMap with the key/value pairs from the Traversable; or an empty ImmMap if the Traversable is null.

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