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DocumentationHackReferenceClassHH\ImmMapget

HH\ImmMap::get

Returns the value at the specified key in the current ImmMap

public function get(
  Tk $key,
): ?Tv;

If the key is not present, null is returned. If you would rather have an exception thrown when a key is not present, then use at().

Parameters

  • Tk $key

Returns

  • ?Tv - The value at the specified key; or null if the key does not exist.

Examples

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