std::vector<bool,Allocator>::flip
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< cpp | container | vector bool
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Defined in header
<vector>
void flip();
(constexpr since C++20)
Toggles each bool (replaces with its opposite value) in the vector.
[edit] Example
Run this code
#include <iostream> #include <vector> void print(const std::vector <bool>& vb) { for (const bool b : vb) std::cout << b; std::cout << '\n'; } int main() { std::vector <bool> v{0, 1, 0, 1}; print(v); v.flip(); print(v); }
Output:
0101 1010