public function testNewBinaryFunktion() { $this->assertInstanceOf(BinaryFunktionInterface::class, Callables::newBinaryFunktion(function ($x, $y) { return $x + $y; })); }
/** * Creates a new binary functor from a given callable. * * @param callable $bifunctor * The given callable. * @return BinaryFunktionInterface */ function BinaryFunktion(callable $functor) : BinaryFunktionInterface { return Callables::newBinaryFunktion($functor); }