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<?php
declare(strict_types=1);
namespace loophp\combinator\Combinator;
use Closure;
use loophp\combinator\Combinator;
/**
* Class Omega.
*
* @psalm-template ResultType
*/
final class Omega extends Combinator
{
* @var callable
private $f;
* Omega constructor.
* @psalm-param callable $f
* @param callable $f
public function __construct(callable $f)
$this->f = $f;
}
* @psalm-return ResultType
public function __invoke()
return ($this->f)($this->f)(($this->f)($this->f));
* @param callable $a
* @return Closure
public static function on(callable $a)
return (new self($a))();
loophp /
combinator
