[gecode-users] Why are my variables not constrained

[Denys Duchier]

Guido Tack <tack at ps.uni-sb.de> writes:

> Otherwise, the post statement returns a BoolVar that is constrained to  
> the truth value of the equivalence.  Unfortunately, gcc doesn't warn  
> about the ignored return value (I don't know about Microsoft cl)!

you can ask gcc to warn on ignored return values by adding:

	__attribute__ ((warn_unused_result))

to the function's prototype.

Cheers,

--Denys