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<?php
namespace MaxGoryunov\SavingIterator\Fakes;
use Closure;
/**
* Allows to use context instead of creating a new variable.
* @todo #92:30min Remove extension of SurveyEnvelope from this class because
* it is not needed.
* @template X subject type
* @template Y result type
* @extends SurveyEnvelope<X, Y>
* @implements Block<Y>
*/
class Let extends SurveyEnvelope implements Block
{
* Subject for context.
*
* @var mixed
private mixed $subject;
* Ctor.
* @phpstan-param X $subject repeated element
* @phpstan-param Closure(X): Y $context context for element
* @param mixed $subject element to be put into context
* @param Closure $context context for element
public function __construct(mixed $subject, Closure $context)
parent::__construct(
$subject,
$context,
fn(mixed $subject, Closure $context): mixed => $context($subject)
);
$this->subject = $subject;
}
* {@inheritDoc}
public function act(Closure $context): mixed
return $context($this->subject);
MaxGoryunov /
saving-iterator
