c57f03ce17 refactor: Replace const char* to std::string (Calvin Kim)
Pull request description:
Rationale: Addresses #19000
Some functions should be returning std::string instead of const char*.
This commit changes that.
Main benefits/reasoning:
1. The functions never return nullptr, so returning a string makes code at call sites easier to review (reviewers don't have to read the source code to verify that a nullptr is never returned)
2. All call sites convert to string anyway
ACKs for top commit:
MarcoFalke:
re-ACK c57f03ce17 (no changes since previous review) 🚃
Empact:
Fair enough, Code Review ACK c57f03ce17
practicalswift:
ACK c57f03ce17 -- patch looks correct
hebasto:
re-ACK c57f03ce17
Tree-SHA512: 9ce99bb38fe399b54844315048204cafce0f27fd8f24cae357fa7ac6f5d8094d57bbf5f5c1f5878a65f2d35e4a3f95d527eb17f49250b690c591c0df86ca84fd