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std::bitset::flip

STD：：位集：：翻转

bitset& flip((1)​
bitset<N>& flip( size_t pos (2)​

翻转位，即更改true值到false和false值到true等于对部分或全部位集的逻辑不操作。

1%29翻转所有位数%28相似operator~，但就地%29

2%29在位置翻转位pos...

参数

pos-the position of the bit to flip

返回值

*this...

例外

1%29

(none)(until C++11)
noexcept specification: noexcept(since C++11)

2%29投std::out_of_range如果pos不对应于位集中的有效位置。

例

二次

#include <iostream>
#include <bitset>
 
int main()
{
    std::bitset<4> b;
 
    std::cout << b << "\n";
    std::cout << b.flip(0) << '\n';
    std::cout << b.flip(2) << '\n';
    std::cout << b.flip() << '\n';
}

二次

产出：

二次

0000
0001
0101
1010

二次

另见

setsets bits to true or given value (public member function)
resetsets bits to false (public member function)
operator&=operator|=operator^=operator~performs binary AND, OR, XOR and NOT (public member function)

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