public void Adjust_WhenArgumentIsNull_ThrowException(string anyVal, string arg)
{
Assert.Throws <ArgumentNullException>(() =>
MaybeFactory.MaybeOf("any").Adjust(
just: val => arg,
nothing: () => arg));
}
public void QuerySelectMany_WhenFieldHasNothing_CanNotRetrunSelectedMaybe()
{
var actual = from justTwo in Just(MaybeFactory.MaybeOf <int>((int?)null))
from just in justTwo
select just;
Assert.AreEqual(int_Nothing, actual);
}