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

Complexity

Conditions	1
Paths	1

Size

Total Lines	15
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	1

Importance

Changes

0

<?php
    public function __invoke(): Closure
    {
        return
            /**
             * @return Closure(iterable<TKey, T>): Generator<int, TKey>
             */
            static function (int $index): Closure {
                /** @var Closure(iterable<TKey, T>): Generator<int, TKey> $pipe */
                $pipe = (new Pipe())()(
                    (new Limit())()(1)($index),
                    (new Flip())()
                );

                // Point free style.
                return $pipe;
            };