code still attempting to access the variable by the old method should break visibly so they are made aware of the change in complexity. Naming link￿ module_name, package_name, ClassName, method_name, ExceptionName

built-in operations. • Finding the call sites for overloaded operators may requre a search tool that’s aware of C++ syntax, rather than e.g. grep. • If you get the argument type of an overloaded operator wrong