loophp\collection\Operation\Unfold::__invoke()

Complexity

Conditions	2
Paths	1

Size

Total Lines	23
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	2

Importance

Changes

0

<?php
    public function __invoke(): Closure
    {
        return
            /**
             * @param iterable<array-key, T> $parameters
             *
             * @return Closure(callable(T...): iterable<array-key, T>): Closure(): Generator<int, iterable<array-key, T>>
             */
            static fn (iterable $parameters): Closure =>
                /**
                 * @param callable(T...): iterable<array-key, T> $callback
                 *
                 * @return Closure(): Generator<int, iterable<array-key, T>>
                 */
                static fn (callable $callback): Closure =>
                    /**
                     * @return Generator<int, iterable<array-key, T>>
                     */
                    static function () use ($parameters, $callback): Generator {
                        while (true) {
                            $parameters = $callback(...$parameters);

                            yield $parameters;
                        }