GetIterator

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Returns an iterator that points to beginning of the current ImmSet

public function getIterator(): KeyedIterator<arraykey, Tv>;

The keys and values when iterating through the KeyedIterator will be identical since ImmSets have no keys, the values are used as keys.

Returns

• KeyedIterator<arraykey,Tv> - A KeyedIterator that allows you to traverse the current ImmSet.

Examples

See Set::getIterator for usage examples.