ToImmSet - Hhvm — ContextQMD

:::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 immutable set (ImmSet) converted from the current Iterable

Hack

public function toImmSet(): ImmSet<Tv>;

Any keys in the current Iterable are discarded.

Returns

ImmSet<Tv> - an ImmSet converted from the current Iterable.