Recently I did a major refactor on a piece of code that involved thousands of lines of code which were in one way or another related to string handling. All of the code handled `char*` (C style character pointer arrays) and the concept of `const` or ownership was literally unknown in that part of the codebase. The refactored code uses `std::string`'s, but due to the legacy nature, a large number of methods returned `nullptr`'s instead of empty strings. I understand why this was done, but find...
