(void) variable
might work for some compilers.
For C++ code, also see Mailbag: Shutting up compiler warnings where Herb Sutter recommends using:
template<class T> void ignore( const T& ) { }
...
ignore(variable);
(void) variable
might work for some compilers.
For C++ code, also see Mailbag: Shutting up compiler warnings where Herb Sutter recommends using:
template<class T> void ignore( const T& ) { }
...
ignore(variable);