02-series.php

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<?php

declare(strict_types=1);

function series(): bool
{
    global $DIC;

    $refinery = $DIC->refinery();

    $transformation = $refinery->in()->series(
        [
            new ILIAS\Refinery\To\Transformation\IntegerTransformation(),
            new ILIAS\Refinery\To\Transformation\IntegerTransformation(),
        ]
    );

    $result = $transformation->transform(5);

    return assert(5 === $result);
}