Function ToUpper

tests/gtest/gtest.h:2246–2248

  return static_cast<char>(tolower(static_cast<unsigned char>(ch)));
}
inline char ToUpper(char ch) {
  return static_cast<char>(toupper(static_cast<unsigned char>(ch)));
}

inline std::string StripTrailingSpaces(std::string str) {
  std::string::iterator it = str.end();