/**
* Gets the arity of a given callable.
*
* The arity of a callable is the min. number of required parameters.
*
* @param callable $callable
* @return int
*/
public static final function arity(callable $callable) : int
{
if ($callable instanceof AbstractCallable) {
return $callable->getArity();
}
return Reflections::reflectionCallableOf($callable)->getNumberOfRequiredParameters();
}
/**
* Constructs a new callable object from a given callable.
*
* @param callable $callable
* The given callable.
*/
private function __construct(callable $callable, array $curryArgs = [])
{
if ($callable instanceof AbstractCallable) {
$this->callable = $callable->getCallable();
$this->reflector = Reflections::reflectionCallableOf($callable->getCallable());
} else {
$this->callable = $callable;
$this->reflector = Reflections::reflectionCallableOf($callable);
}
$this->curryArgs = $curryArgs;
}
public function testGetReflector()
{
$reflector = Reflections::reflectionCallableOf(self::getCallable());
$predicate = NaryPredicate::create(self::getCallable());
$this->assertEquals($reflector, $predicate->getReflector());
}
public function testGetReflector()
{
$reflector = Reflections::reflectionCallableOf(self::getCallable());
$functor = NaryFunktion::create(self::getCallable());
$this->assertEquals($reflector, $functor->getReflector());
}
public function testGetReflector()
{
$reflector = Reflections::reflectionCallableOf(self::getCallable());
$consumer = UnaryConsumer::create(self::getCallable());
$this->assertEquals($reflector, $consumer->getReflector());
}
public function testGetReflector()
{
$reflector = Reflections::reflectionCallableOf(self::getCallable());
$supplier = Supplier::create(self::getCallable());
$this->assertEquals($reflector, $supplier->getReflector());
}