这图大家能看明白吗

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

template <> // the following is a template class with no templated parameters class Storage8<bool> // we're specializing Storage8 for bool { // What follows is just standard class implementation details private:     unsigned char m_tType;   public:     void Set(int nIndex, bool tType)     {         // Figure out which bit we're setting/unsetting         // This will put a 1 in the bit we're interested in turning on/off         unsigned char nMask = 1 << nIndex;           if (tType)  // If we're setting a bit             m_tType |= nMask;  // Use bitwise-or to turn that bit on         else  // if we're turning a bit off             m_tType &= ~nMask;  // bitwise-and the inverse mask to turn that bit off     }       bool Get(int nIndex)     {         // Figure out which bit we're getting         unsigned char nMask = 1 << nIndex;         // bitwise-and to get the value of the bit we're interested in         // Then implicit cast to boolean         return m_tType & nMask;     } };