loophp\memoize\Memoizer

Complexity

Total Complexity

1

Size/Duplication

Total Lines	17
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	2
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	fromClosure()	0	15	1

<?php

declare(strict_types=1);

namespace loophp\memoize;

use ArrayObject;
use Closure;
use loophp\memoize\Contract\Memoizer as MemoizerInterface;

final class Memoizer implements MemoizerInterface
{
    public static function fromClosure(Closure $closure, ?ArrayObject $cache = null): Closure
    {
        $cache ??= new ArrayObject();

        return
            /**
             * @psalm-suppress MixedAssignment
             *
             * @param mixed ...$arguments
             *
             * @return mixed
             */
            static fn (...$arguments) => $cache[
                    sha1(serialize($arguments))
                    ] ??= ($closure)(...$arguments);
    }
}