public function testToList()
{
$just = Maybe\Maybe(10);
$nothing = Maybe\Maybe(null);
$this->assertEquals([10], $just->toList());
$this->assertEquals([], $nothing->toList());
}
public function hello($def = 'Unknown')
{
$user = new User(Maybe\Maybe($this->name)->fromMaybe($def));
return sprintf('Hello, %s', $user->getName());
}
public function findByName($name, User $def = null)
{
$user = $this->em->find(User::class, $name);
return Maybe\Maybe($user)->fromMaybe($def ?: new User('None'));
}