Function StrCat

include/Surelog/Utils/StringUtils.h:44–48

// a string which is returned.
template <typename... Ts>
std::string StrCat(Ts&&... args) {
  std::ostringstream out;
  (out << ... << std::forward<Ts>(args));
  return out.str();
}

// Similar to StrCat(), append arguments, converted to strings to "dest"
// string.