NAME

std::vector::flip - std::vector::flip

Synopsis

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).

Parameters

(none)

Return value

(none)

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

See also

operator[] access specified element
(public member function of std::vector<T,Allocator>)
flip toggles the values of bits
(public member function of std::bitset<N>)