Method demo

examples/demo.php:2647–2661

()

class ArgumentCountDemo
{
    public function demo(): void
    {
        $user = new User('Alice', 'alice@test.com');

        // Correct — no diagnostic:
        $user->getEmail();
        $user->setName('Bob');
        $user->addRoles('admin', 'editor', 'viewer'); // variadic

        // Too few arguments — error diagnostic appears:
        $user->setStatus();

        // Too many arguments — error diagnostic appears:
        $user->getEmail('extra');
    }
}

class TypeErrorDemo