std::pair<T1,T2>::swap
From cppreference.com
void swap(pair& other);
|
(since C++11) | |
Swaps first with other.first and second with other.second.
Parameters
| other | - | pair of values to swap |
Return value
(none)
Exceptions
| (none) | (until C++11) |
|
noexcept specification:
noexcept( noexcept(std::swap(first, other.first)) && noexcept(std::swap(second, other.second)) ) |
(since C++11) |
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)
See also
| swaps the values of two objects (function template) |