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<?php
namespace MaxGoryunov\SavingIterator\Fakes;
use Closure;
/**
* Allows to use context instead of creating a new variable.
* @template X subject type
* @template Y result type
* @extends SurveyEnvelope<X, Y>
*/
class Let extends SurveyEnvelope
{
* Ctor.
*
* @phpstan-param X $subject
* @param mixed $subject element for context.
public function __construct(mixed $subject) {
parent::__construct(
$subject,
fn ($subject, Closure $context): mixed => $context($subject)
);
}
MaxGoryunov /
saving-iterator
