getIterator
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>- AKeyedIteratorthat allows you to traverse the currentImmSet.
Examples
See Set::getIterator for usage examples.