Curry::curryN() - Code Metrics - Inspection of "Fix tests." - loophp/fpt - Measure and Improve Code Quality continuously with Scrutinizer

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by Pol

created 2021-07-02 20:51 UTC

Curry::curryN() A

↳ Parent: Curry

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
eloc	3
c	1
b	0
f	0
nc	2
nop	3
dl	0
loc	10
ccs	4
cts	4
cp	1
crap	2
rs	10

<?php

/**
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

declare(strict_types=1);

namespace loophp\fpt;

use Closure;
use ReflectionFunction;

use function count;

/**
 * @psalm-immutable
 *
 * phpcs:disable Generic.Files.LineLength.TooLong
 */
abstract class Curry
{
    /**
     * @template T
     * @psalm-pure
     */
    public static function of(): Closure
    {
        return
            /**
             * @psalm-param positive-int|null $arity
             */
            static fn (callable $callable, ?int $arity = null): Closure =>
            /**
             * @psalm-param mixed ...$args
             * @return mixed
             */
            static fn (...$args) => static::curryN(
                ($arity ?? (new ReflectionFunction($callable))->getNumberOfRequiredParameters()) - count($args),
                $callable,
                static::getArguments([], $args)
            );
    }

    /**
     * @psalm-pure
     *
     * @psalm-param list<mixed> $args
     * @psalm-param list<mixed> $argsNext
     */
    abstract protected static function getArguments(array $args = [], array $argsNext = []): array;

    /**
     * @return mixed
     */
    private static function curryN(int $numberOfArguments, callable $function, array $args = [])
    {
        return (0 >= $numberOfArguments)
            ? $function(...$args)
            :
            /**
             * @psalm-param mixed ...$argsNext
             * @return mixed
             */
            static fn (...$argsNext) => self::curryN($numberOfArguments - count($argsNext), $function, static::getArguments($args, $argsNext));
    }
}


1		<?php
2
3		/**
4		* For the full copyright and license information, please view
5		* the LICENSE file that was distributed with this source code.
6		*/
7
8		declare(strict_types=1);
9
10		namespace loophp\fpt;
11
12		use Closure;
13		use ReflectionFunction;
14
15		use function count;
16
17		/**
18		* @psalm-immutable
19		*
20		* phpcs:disable Generic.Files.LineLength.TooLong
21		*/
22		abstract class Curry
23		{
24		/**
25		* @template T
26		* @psalm-pure
27		*/
28	4	public static function of(): Closure
29		{
30		return
31		/**
32		* @psalm-param positive-int\|null $arity
33		*/
34	4	static fn (callable $callable, ?int $arity = null): Closure =>
35		/**
36		* @psalm-param mixed ...$args
37		* @return mixed
38		*/
39	4	static fn (...$args) => static::curryN(
40	4	($arity ?? (new ReflectionFunction($callable))->getNumberOfRequiredParameters()) - count($args),
41		$callable,
42	4	static::getArguments([], $args)
43	4	);
44		}
45
46		/**
47		* @psalm-pure
48		*
49		* @psalm-param list<mixed> $args
50		* @psalm-param list<mixed> $argsNext
51		*/
52		abstract protected static function getArguments(array $args = [], array $argsNext = []): array;
53
54		/**
55		* @return mixed
56		*/
57	4	private static function curryN(int $numberOfArguments, callable $function, array $args = [])
58		{
59	4	return (0 >= $numberOfArguments)
60	4	? $function(...$args)
61		:
62		/**
63		* @psalm-param mixed ...$argsNext
64		* @return mixed
65		*/
66	4	static fn (...$argsNext) => self::curryN($numberOfArguments - count($argsNext), $function, static::getArguments($args, $argsNext));
67		}
68		}
69

loophp / fpt

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Curry::curryN() A

Complexity

Size

Duplication

Code Coverage

Importance

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