You must invert the bit string with the bitwise NOT operator ( ~ ), then AND it. ... struct bits { unsigned int a:1; unsigned int b:1; unsigned int c:1; }; ... ... <看更多>

Note that you can do the same thing without bitwise operators (at least for unsigned integer types since they can't overflow into undefined ... ... <看更多>

computer: A curated list of awesome bitwise operations and tricks - GitHub ... Caveat: Type pruning via unions is undefined in C++; use std::memcpy instead. ... <看更多>