loophp\collection\Enum\Combinators

Complexity

Total Complexity

5

Size/Duplication

Total Lines	25
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes	1
Bugs	1	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	I()	0	3	1
A	reverseArgs()	0	3	1
A	Ki()	0	3	1
A	extractArgs()	0	3	1
A	K()	0	3	1

<?php

declare(strict_types=1);

namespace loophp\collection\Enum;

use Closure;

use function array_slice;

enum Combinators
{
    public static function extractArgs(Closure $f, int $offset = 0, int $length = 0): Closure
    {
        return static fn (...$args): mixed => $f(...array_slice($args, $offset, $length));
    }

    public static function I(): Closure
    {
        return static fn (...$a): mixed => current($a);
    }

    public static function K(): Closure
    {
        return static fn (...$a): Closure => static fn (...$b): mixed => current($a);

The parameter $b is not used and could be removed.

    }

    public static function Ki(): Closure
    {
        return static fn (...$a): Closure => static fn (...$b): mixed => current($b);

The parameter $a is not used and could be removed.

    }

    public static function reverseArgs(Closure $f): Closure
    {
        return static fn (...$args): mixed => $f(...array_reverse($args));
    }
}