std::pair::swap
From cppreference.com
                    
                                        
                    
                    
                                                            
                    | void swap(pair& other); | (since C++11) | |
Swaps first with other.first and second with other.second.
| Contents | 
[edit] Parameters
| other | - | pair of values to swap | 
[edit] Return value
(none)
[edit] Exceptions
noexcept specification:  
[edit] Example
Run this code
#include <iostream> #include <utility> #include <string> int main() { std::pair<int, std::string> p1, p2; p1 = std::make_pair(10, "test"); p2.swap(p1); std::cout << "(" << p2.first << ", " << p2.second << ")\n"; }
Output:
(10, test)
[edit] See also
| swaps the values of two objects (function template) | 


