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<?php
declare(strict_types=1);
namespace Baethon\Phln;
final class FixedArityFn implements FixedArityInterface
{
/**
* @type integer
*/
private $arity;
* @type callable
private $fn;
private function __construct(int $arity, callable $fn)
$this->arity = $arity;
$this->fn = $fn;
}
public function getArity(): int
return $this->arity;
public static function of(int $arity, callable $fn): self
return new static($arity, $fn);
public function __invoke(...$args)
return call_user_func_array($this->fn, array_slice($args, 0, $this->arity));
baethon /
phln
