HH\Vector::immutable
Returns an immutable copy (ImmVector) of the current Vector
public function immutable(): ImmVector<Tv>;
This method is interchangeable with toImmVector().
Returns
ImmVector<Tv>- AnImmVectorcopy of the currentVector.
Examples
function expects_immutable(ImmVector<mixed> $iv): void {
\var_dump($iv);
}
<<__EntryPoint>>
function basic_usage_main(): void {
$v = Vector {'red', 'green', 'blue', 'yellow'};
// Get a deep, immutable copy of $v
$immutable_v = $v->immutable();
expects_immutable($immutable_v);
}