LLVM's libc++ doesn't use a generic growable vector thing for std::string; they rolled their own, specifically for strings. (I checked the source. Alas, no expl

LLVM's libc++ doesn't use a generic growable vector thing for std::string; they rolled their own, specifically for strings. (I checked the source. Alas, no explanatory comments and nothing in the "initial libc++ import" git commit message.)