MSVC equivalent of __attribute__ ((warn_unused_result))?

Question

I\'m finding __attribute__ ((warn_unused_result)) to be very useful as a means of encouraging developers not to ignore error codes returned by functions, but I

Answer 1

Some editions of VisualStudio come packaged with a static analysis tool that used to be called PREFast (Now called simply "Code Analysis for C/C++"). PREFast uses annotations to mark up code. One of those annotations, MustCheck, does what you're looking for.