public void TestCreateEmpty()
{
var boxedMaybe = MaybeUtils.CreateEmpty(typeof(int));
Assert.IsInstanceOf <Maybe <int> >(boxedMaybe);
var maybe = (Maybe <int>)boxedMaybe;
Assert.IsFalse(maybe.HasValue);
}
public void TestCreateEmptyNull()
{
Assert.Throws <ArgumentNullException>(() => MaybeUtils.CreateEmpty(null));
}