Those priorities are self-contradictory. If you prioritize performance over maintainability, you're sacrificing long-term correctness, which is supposed to be

Those priorities are self-contradictory. If you prioritize performance over maintainability, you're sacrificing long-term correctness, which is supposed to be your #1 priority. PS. Also, "C++ Coding Guidelines"? This is neither coding guidelines, nor anything specific to C++.