Namespaces
Variants
Views
Actions

std::vector<bool,Allocator>::flip

From cppreference.com
 
 
Containers library
Sequence
(C++11)
Associative
Unordered associative
Adaptors
Views
(C++20)
 
 
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).

Contents

[edit] Parameters

(none)

[edit] Return value

(none)

[edit] Example

#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

[edit] See also

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