Passed
Push — master ( 4e0120...c40ba3 )
by Pol
15:03
created

Times::__construct()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 2
nc 1
nop 2
dl 0
loc 4
rs 10
c 1
b 0
f 0
1
<?php
2
3
declare(strict_types=1);
4
5
namespace loophp\collection\Operation;
6
7
use Closure;
8
use Generator;
9
use loophp\collection\Contract\Operation;
10
11
/**
12
 * Class Times.
13
 */
14
final class Times implements Operation
15
{
16
    /**
17
     * @var callable|null
18
     */
19
    private $callback;
20
21
    /**
22
     * @var int
23
     */
24
    private $number;
25
26
    /**
27
     * Times constructor.
28
     *
29
     * @param int $number
30
     * @param callable|null $callback
31
     */
32
    public function __construct(int $number, ?callable $callback = null)
33
    {
34
        $this->number = $number;
35
        $this->callback = $callback;
36
    }
37
38
    /**
39
     * {@inheritdoc}
40
     */
41
    public function on(iterable $collection): Closure
42
    {
43
        $number = $this->number;
44
        $callback = $this->callback;
45
46
        return static function () use ($number, $callback): Generator {
47
            if (1 > $number) {
48
                return;
49
            }
50
51
            if (null === $callback) {
52
                $callback = static function ($value) {
53
                    return $value;
54
                };
55
            }
56
57
            for ($current = 1; $current <= $number; ++$current) {
58
                yield $callback($current);
59
            }
60
        };
61
    }
62
}
63