Learn How To Combine and Use Const and Volatile Keywords Together In C. Plus, Find Practical Examples and Online Resources. Visit Today To Learn More.

I have a C++ object that is widely used in a large code base. The object contains some parameter data as well as some derived data computed from its parameters. Performance profiling shows that ...

Hmm, it works fine with #define in gcc. If I use "const float INFINITY = 99999999" instead I'll get complaints about it not being a constant. g++ handles both, since its the c++ compiler.

Too few C++ developers use const properly, or enough. A seemingly-strange guideline, suggesting you never use a particular language feature, leads to some insight about const and some good practices ...