Function ToUpperASCII

src/butil/strings/string_util.h:104–106

// ASCII-specific toupper.  The standard library's toupper is locale sensitive,
// so we don't want to use it here.
template <class Char> inline Char ToUpperASCII(Char c) {
  return (c >= 'a' && c <= 'z') ? (c + ('A' - 'a')) : c;
}

// Function objects to aid in comparing/searching strings.