HH\Set::clear
Remove all the elements from the current Set
public function clear(): Set<Tv>;
Future changes made to the current Set
ARE reflected in the returned
Set
, and vice-versa.
Returns
Set<Tv>
- Returns itself.
Examples
$s = Set {'red', 'green', 'blue', 'yellow'};
var_dump($s);
$s->clear();
var_dump($s);
object(HH\Set)#1 (4) {
string(3) "red"
string(5) "green"
string(4) "blue"
string(6) "yellow"
}
object(HH\Set)#1 (0) {
}