| public distinctUntilKeyChanged ( callable $keySelector = null, callable $comparer = null ) : Rx\Observable\AnonymousObservable | ||
| $keySelector | callable | |
| $comparer | callable | |
| return | Rx\Observable\AnonymousObservable | |
public function distinctUntilKeyChanged(callable $keySelector = null, callable $comparer = null)
{
return $this->lift(function () use($keySelector, $comparer) {
return new DistinctUntilChangedOperator($keySelector, $comparer);
});
}