Function Lowercase

graphlearn/src/common/string/string_tool.cc:53–59

}  // anonymous namespace

std::string Lowercase(LiteString s) {
  std::string result(s.data(), s.size());
  for (char& c : result) {
    c = ::tolower(c);
  }
  return result;
}

std::string Uppercase(LiteString s) {
  std::string result(s.data(), s.size());