40   const auto emit{[&](char ch) { result += ch; }};  in QuoteCharacterLiteralHelper()
41   for (auto ch : str) {  in QuoteCharacterLiteralHelper()  local
42     using CharT = std::decay_t<decltype(ch)>;  in QuoteCharacterLiteralHelper()
43     char32_t ch32{static_cast<std::make_unsigned_t<CharT>>(ch)};  in QuoteCharacterLiteralHelper()
131   for (auto ch : str) {  in EncodeString()  local
132     char32_t uch{static_cast<std::make_unsigned_t<decltype(ch)>>(ch)};  in EncodeString()
160   char32_t ch{*p};  in DecodeRawCharacter()  local
161   if (ch <= 0x7f) {  in DecodeRawCharacter()
162     return {ch, 1};  in DecodeRawCharacter()
163   } else if ((ch & 0xf8) == 0xf0 && bytes >= 4 && ch > 0xf0 &&  in DecodeRawCharacter()
165     ch = ((ch & 7) << 6) | (p[1] & 0x3f);  in DecodeRawCharacter()
166     ch = (ch << 6) | (p[2] & 0x3f);  in DecodeRawCharacter()
167     ch = (ch << 6) | (p[3] & 0x3f);  in DecodeRawCharacter()
168     return {ch, 4};  in DecodeRawCharacter()
169   } else if ((ch & 0xf0) == 0xe0 && bytes >= 3 && ch > 0xe0 &&  in DecodeRawCharacter()
171     ch = ((ch & 0xf) << 6) | (p[1] & 0x3f);  in DecodeRawCharacter()
172     ch = (ch << 6) | (p[2] & 0x3f);  in DecodeRawCharacter()
173     return {ch, 3};  in DecodeRawCharacter()
174   } else if ((ch & 0xe0) == 0xc0 && bytes >= 2 && ch > 0xc0 &&  in DecodeRawCharacter()
176     ch = ((ch & 0x1f) << 6) | (p[1] & 0x3f);  in DecodeRawCharacter()
177     return {ch, 2};  in DecodeRawCharacter()