去掉if

修改前

namespace CleanCSharp.Methods.Dirty

{

    class BooleanSwitchingArgumentsExample

    {

        public void CallingCode()

        {

            if (DateTime.Now.Hour < 12)

            {

                OutputGreeting(true);

            }

            else

            {

                OutputGreeting(false);

            }

        }

        public void OutputGreeting(bool isMorning)

        {

            if (isMorning)

            {

                Console.WriteLine("Good Morning");

            }

            else

            {

                Console.WriteLine("Good Day");

            }

        }

    }

}

//修改后
namespace CleanCSharp.Methods.Clean
{
    class BooleanSwitchingArgumentsExample
    {
        public void CallingCode()
        {
            if (DateTime.Now.Hour < 12)
            {
                OutputMorningGreeting();
            }
            else
            {
                OutputDaytimeGreeting();
            }
        }
        private static void OutputDaytimeGreeting()
        {
            Console.WriteLine("Good Day");
        }
        private static void OutputMorningGreeting()
        {
            Console.WriteLine("Good Morning");
        }
    }
}