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<?php
declare(strict_types=1);
namespace Marcosh\Effector;
final class LazyParam
{
/**
* @var callable
*/
private $function;
* @var callable[]
private $parameters;
private function __construct(
callable $function,
callable ... $parameters
)
$this->function = $function;
$this->parameters = $parameters;
}
public static function lazyParameters(
): self
return new self($function, ... $parameters);
public function __invoke(... $parameterInput)
if ([] === $this->parameters) {
return ($this->function)(... $parameterInput);
$nextParameter = $this->parameters[0];
$otherParameters = array_slice($this->parameters, 1);
return self::lazyParameters(
function (... $parameters) use ($nextParameter, $parameterInput) {
return ($this->function)(
$nextParameter(... $parameterInput),
... $parameters
);
},
... $otherParameters
marcosh /
effector
