public void SelectSelfWorksWithNullString()
        {
            var result = FuncHelpers.SelectSelf <string>(null);

            Assert.Null(result);
        }
        public void SelectSelfWorksWithInt()
        {
            var result = FuncHelpers.SelectSelf(42);

            Assert.Equal(42, result);
        }
        public void SelectSelfWorksWithString()
        {
            var result = FuncHelpers.SelectSelf("Hello World");

            Assert.Equal("Hello World", result);
        }