public void can_extract_null_out_of_none()
        {
            MaybeNonGenericFactory.TryGetValue(Maybe.None <int>(), typeof(int))
            .Should().BeNull();

            MaybeNonGenericFactory.TryGetValue(Maybe.None <int?>(), typeof(int?))
            .Should().BeNull();

            MaybeNonGenericFactory.TryGetValue(Maybe.None <string>(), typeof(string))
            .Should().BeNull();
        }
        public void can_extract_value_out_of_some()
        {
            MaybeNonGenericFactory.TryGetValue(Maybe.Some(10), typeof(int))
            .Should().Be(10);

            MaybeNonGenericFactory.TryGetValue(Maybe.Some <int?>(10), typeof(int?))
            .Should().Be(10);

            MaybeNonGenericFactory.TryGetValue(Maybe.Some("aaa"), typeof(string))
            .Should().Be("aaa");
        }