Passed
Pull Request — master (#340)
by Pol
11:17
created

Tap::__invoke()   A

Complexity

Conditions 3
Paths 1

Size

Total Lines 20
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 3
eloc 7
nc 1
nop 0
dl 0
loc 20
rs 10
c 1
b 0
f 0
1
<?php
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declare(strict_types=1);
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namespace loophp\collection\Operation;
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use Closure;
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use Generator;
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/**
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 * @immutable
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 *
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 * @template TKey
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 * @template T
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 */
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final class Tap extends AbstractOperation
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{
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    /**
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     * @return Closure(callable(T, TKey, iterable<TKey, T>):void ...): Closure(iterable<TKey, T>): Generator<TKey, T>
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     */
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    public function __invoke(): Closure
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    {
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        return
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            /**
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             * @param callable(T, TKey, iterable<TKey, T>): bool ...$callbacks
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             *
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             * @return Closure(iterable<TKey, T>): Generator<TKey, T>
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             */
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            static fn(callable ...$callbacks): Closure => /**
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             * @param iterable<TKey, T> $iterable
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             *
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             * @return Generator<TKey, T>
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             */
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            static function (iterable $iterable) use ($callbacks): Generator {
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                foreach ($iterable as $key => $value) {
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                    foreach ($callbacks as $callback) {
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                        $callback($value, $key, $iterable);
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                    }
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                    yield $key => $value;
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                }
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            };
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    }
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}
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