/**
* 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());
}
