MaxGoryunov\SavingIterator\Fakes\Let

Complexity

Total Complexity

2

Size/Duplication

Total Lines	34
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	1

2 Methods

Rating	Name	Duplication	Size	Complexity
A	do()	0	3	1
A	__construct()	0	8	1

<?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 do(Closure $context): mixed
    {
        return $context($this->subject);
    }
}