Method SubString

src/UTF8StringSlice.hpp:97–108

  }

  UTF8StringSliceBase SubString(const LengthType offset,
                                const LengthType numberOfCharacters) const {
    if (offset == 0) {
      return Left(numberOfCharacters);
    } else {
      const char* pstr = str;
      for (size_t i = 0; i < offset; i++) {
        pstr = UTF8Util::NextChar(pstr);
      }
      return UTF8StringSliceBase(pstr, numberOfCharacters);
    }
  }

  std::string ToString() const { return std::string(str, str + byteLength); }