122 |
|
BitSet& operator&= (const BitSet &bs) { andOperator (bs); return *this; } |
123 |
|
BitSet& operator|= (const BitSet &bs) { orOperator (bs); return *this; } |
124 |
|
BitSet& operator^= (const BitSet &bs) { xorOperator (bs); return *this; } |
125 |
+ |
BitSet& operator-= (const BitSet &bs) { |
126 |
+ |
BitSet tmp = *this ^ bs; |
127 |
+ |
*this &= tmp; |
128 |
+ |
return *this; |
129 |
+ |
} |
130 |
+ |
|
131 |
|
bool operator[] (int bitIndex) const { return bitset_[bitIndex]; } |
132 |
|
friend BitSet operator| (const BitSet& bs1, const BitSet& bs2); |
133 |
|
friend BitSet operator& (const BitSet& bs1, const BitSet& bs2); |
134 |
|
friend BitSet operator^ (const BitSet& bs1, const BitSet& bs2); |
135 |
+ |
friend BitSet operator- (const BitSet& bs1, const BitSet& bs2); |
136 |
+ |
|
137 |
|
friend bool operator== (const BitSet & bs1, const BitSet &bs2); |
138 |
|
|
139 |
|
friend std::istream& operator>> ( std::istream&, const BitSet& bs); |