27 struct BitStringChar;
28 inline std::ostream& operator<<(std::ostream& os, const BitStringChar& bc);
39 struct BitStringChar {  struct
44   BitStringChar() : data_(0u), bitlength_(0u) { }  in BitStringChar()  function
47   BitStringChar(StorageType data, size_t bitlength)  in BitStringChar()  argument
78   bool operator==(const BitStringChar& other) const {
83   bool operator!=(const BitStringChar& other) const {
89   BitStringChar operator+(StorageType storage) const {
91     return BitStringChar(data_ + storage, bitlength_);
96   BitStringChar MaximumValue() const {  in MaximumValue()  argument
98     return BitStringChar(maximimum_data, bitlength_);  in MaximumValue()
108 inline std::ostream& operator<<(std::ostream& os, const BitStringChar& bc) {
110      << static_cast<BitStringChar::StorageType>(bc) << ")";
143   using StorageType = BitStringChar::StorageType;
182   BitStringChar operator[](size_t idx) const {
187     return BitStringChar(data, kBitSizeAtPosition[idx]);
193   void SetAt(size_t idx, BitStringChar bitchar) {  in SetAt()
211       BitStringChar bc = (*this)[i];  in Length()
287     BitStringChar bc = bit_string[i];