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<?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;
// phpcs:disable Generic.Files.LineLength.TooLong
* @immutable
final class ComposeSimple
{
* @pure
public static function of(): Closure
return
static function (callable ...$fs): Closure {
// Identity
$initial = static fn ($v) => $v;
foreach ($fs as $f) {
$initial = ComposeSimple::of1()($initial)($f);
}
return $initial;
};
private static function of1(): Closure
static fn (callable $f): Closure => static fn (callable $g): Closure => static fn (...$x): mixed => $f($g(...$x));
loophp /
fpt
