Defined in header <vector>  |  ||
|---|---|---|
 void flip();  |  (until C++20) | |
 constexpr void flip();  |  (since C++20) | 
Toggles each bool in the vector (replaces with its opposite value).
(none).
(none).
#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
|  access specified element  (public member function of std::vector<T,Allocator>)   | 
|
|  toggles the values of bits  (public member function of std::bitset<N>)   | 
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    https://en.cppreference.com/w/cpp/container/vector_bool/flip