Method MoveLeft

src/UTF8StringSlice.hpp:143–149

  }

  void MoveLeft() {
    if (utf8Length > 0) {
      const size_t charLen = UTF8Util::PrevCharLength(str + byteLength);
      utf8Length--;
      byteLength -= charLen;
    }
  }

  int ReverseCompare(const UTF8StringSliceBase& that) const {
    const char* pstr1 = str + byteLength;