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 Map |
23: | { |
24: | /** |
25: | * Returns a new collection consisting of items transformed by applying |
26: | * the mapping function `$predicate`. |
27: | * |
28: | * Only the values are passed to the closure. If you want to pass only |
29: | * the keys, you need to use `CollectionInterface::mapKeys()`. If you |
30: | * want both keys and values, you need `CollectionInterface::mapWithKey()`. |
31: | * |
32: | * @template U |
33: | * |
34: | * @param (\Closure(T): U) $predicate |
35: | * |
36: | * @return CollectionInterface<TKey, U> |
37: | */ |
38: | public function map(\Closure $predicate): CollectionInterface; |
39: | } |
40: |