/** * Createa an identity functor. * * @return UnaryFunktionInterface */ public static final function identity() : UnaryFunktionInterface { return Callables::newUnaryFunktion(function ($value) { return $value; }); }
public static final function identical() : BinaryPredicateInterface { return Callables::newBinaryPredicate(function ($a, $b) { return $a === $b; }); }
public function toFunktion() : FunktionInterface { return Callables::newFunktion($this->getCallable()); }