Title could be “ugly C++ idioms prevent map::operator[] from being [[nodiscard]]”. Many of the uses are in Google’s codebase. Overall very technical- interest

Title could be “ugly C++ idioms prevent map::operator[] from being [[nodiscard]]”. Many of the uses are in Google’s codebase. Overall very technical- interesting if you are a library writer or maybe if you care about long term improvements in your C++’legacy codebase.