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

 

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std::vector<bool>

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vector::vector vector::~vector vector::operator= vector::assign vector::assign_range (C++23) vector::get_allocator Element access vector::operator[] vector::at vector::front vector::back Iterators vector::beginvector::cbegin (C++11) vector::endvector::cend (C++11) vector::rbeginvector::crbegin (C++11) vector::rendvector::crend (C++11)	Capacity vector::empty vector::size vector::max_size vector::capacity vector::resize vector::reserve vector::shrink_to_fit (DR*) Modifiers vector::clear vector::erase vector::insert vector::insert_range (C++23) vector::append_range (C++23) vector::emplace (C++11) vector::emplace_back (C++11) vector::push_back vector::pop_back vector::swap vector<bool>::flip vector<bool>::swap
Non-member functions
operator==operator<=> (C++20) swap(std::vector<bool>) erase(std::vector<bool>)erase_if(std::vector<bool>) (C++20)(C++20)	operator!=operator<operator>operator<=operator>= (until C++20)(until C++20)(until C++20)(until C++20)(until C++20)
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hash<std::vector<bool>> (C++11)
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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.

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>)

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