1: <?php
2:
3: declare(strict_types=1);
4:
5: /**
6: * This file is part of the Nexus framework.
7: *
8: * (c) John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9: *
10: * For the full copyright and license information, please view
11: * the LICENSE file that was distributed with this source code.
12: */
13:
14: namespace Nexus\Collection\Operation;
15:
16: use Nexus\Collection\CollectionInterface;
17:
18: /**
19: * @template TKey
20: * @template T
21: */
22: interface Tap
23: {
24: /**
25: * Executes callbacks on each item of the collection.
26: *
27: * The passed callbacks are called with the value and key of
28: * each item in the collection. The return value of the
29: * callbacks are ignored.
30: *
31: * @param (\Closure(T, TKey): void) ...$callbacks
32: *
33: * @return CollectionInterface<TKey, T>
34: */
35: public function tap(\Closure ...$callbacks): CollectionInterface;
36: }
37: