On Thu, Nov 17, 2005 at 02:01:56PM -0800, Ian Lance Taylor wrote: > We traditionally do not warn about not using the value returned by a > function. And I don't see why adding a cast should change that. > Intuitively, a cast by itself is not a computation.
In many cases is certainly is -- it's a value transformation; zero extension, floating-point conversion, etc. My opinion is: why is the user asking for a value to be transformed if they're not going to use the result? r~
