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Sep 4, 2025 · Only functions with a return type of void can use the return command without an accompanying return value. An undefined value will be returned when this function is called. This warning is automatically ...
Dec 7, 2016 · Error message is pretty self-explanatory. Your sendMessage and receiveMessage functions has int return type, but you are not returning anything from them. Add return(0) to them, or change function signature.
Jun 20, 2009 · — the compiler error C4716 simply means a non-void function doesn't return a value on every path. Your original declaration double F_Ite() requires a double to be returned; changing the function to void...
Oct 20, 2010 · It saying "error C4716: 'displayData' : must return a value" when i try to compile it. What am i doing wrong?? Any help, or tips is greatly appreciated. Thank you!
Feb 1, 2021 · One option is to add a co_return; statement at the end. Normally, falling off the end of a coroutine is equivalent to performing a co_return;, but in this case, you need to say co_return explicitly in or...
Only functions with a return type of void can use the return command without an accompanying return value. An undefined value will be returned when this function is called. This warning is automatically promoted to an...
Aug 28, 2018 · When I switch to release mode or disable the inlining, I get a warning C4715 and error C4716 as expected. From the output you can see that it has to compile both functions, since the printf inside it is...
C4716 is raised when a non-void function can finish without returning a value. In your case both conversion functions are declared to return an int, but neither ends with a return, so the compiler cannot see a value c...
The warning is probably only promoted to error when it tries to build the function and there's no return value to assign. I'm sure there are other cases where this detection doesn't work. You shouldn't rely on this (o...
Mar 31, 2025 · If you think the error or warning is wrong, or you've found another problem with the toolset, report a product issue on the Developer Community site. You can also send feedback and enter bugs within the IDE.
