Method demo

examples/demo.php:2599–2613

(User $user)

class ScalarMemberAccessDemo
{
    public function demo(User $user): void
    {
        // getName() returns string — accessing a method on it is an error:
        $user->getName()->trim();

        // getEmail() returns string — property access is also an error:
        $user->getEmail()->length;

        // Chains through intermediate classes work too:
        $user->getProfile()->getDisplayName()->toUpper();

        // Works with Response too — isSuccess() returns bool:
        $resp = new Response(200, 'OK');
        $resp->isSuccess()->flag;
    }
}