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std::forward_list::reverse(3) C++ Standard Libary std::forward_list::reverse(3)

std::forward_list::reverse - std::forward_list::reverse


void reverse() noexcept; (since C++11)


Reverses the order of the elements in the container. No references or iterators
become invalidated.


(none)


(none)


Linear in the size of the container

// Run this code


#include <iostream>
#include <forward_list>


std::ostream& operator<<(std::ostream& ostr, const std::forward_list<int>& list)
{
for (auto &i : list) {
ostr << " " << i;
}
return ostr;
}


int main()
{
std::forward_list<int> list = { 8,7,5,9,0,1,3,2,6,4 };


std::cout << "before: " << list << "\n";
list.sort();
std::cout << "ascending: " << list << "\n";
list.reverse();
std::cout << "descending: " << list << "\n";
}


before: 8 7 5 9 0 1 3 2 6 4
ascending: 0 1 2 3 4 5 6 7 8 9
descending: 9 8 7 6 5 4 3 2 1 0


sort sorts the elements
(C++11) (public member function)

2022.07.31 http://cppreference.com

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