Clever Code

PIEBALDconsult wrote:

Rabbit? Sleeve? Hat?

char *strncpy(
   char *strDest,
   const char *strSource,
   size_t count 
);

errno_t strncpy_s(
   char *strDest,
   size_t numberOfElements,
   const char *strSource,
   size_t count
);

		public static T IntToEnum<T>(int value, T defaultValue)
		{
			T enumValue = (Enum.IsDefined(typeof(T), value)) ? (T)(object)value : defaultValue;
			return enumValue;
		}

enum SomeEnum { Zero=0, Five=5, Six=6, Eight=8 };
 
// this will result in the correct expected value - SomeEnum.Five
SomeEnum value = IntToEnum(5, SomeEnum.Zero);
 
// this will result in SomeEnum.Zero because the value (4) isn't a valid ordinal in the enumerator
value = IntToEnum(4, SomeEnum.Zero);

John Simmons / outlaw programmer wrote:

I started programming long before many of the rest of you.

John Simmons / outlaw programmer wrote:

I did say "many" of the rest of you.

Chris Meech wrote:

I've inferred the age of that machine from the grainy black and white photos.

        public static U ToEnum<T, U>(T value, U defaultValue)
        {
            return (Enum.IsDefined(typeof(U), value)) ? (U)((object)value) : defaultValue;
        }

John Simmons / outlaw programmer wrote:

return a valid ordinal