std:: swap (std::any)

Overloads the std::swap algorithm for std::any . Swaps the content of two any objects by calling lhs. swap ( rhs ) .

Parameters

Example

#include <any>
#include <print>
#include <string>
int main()
{
    std::any p = 42, q = std::string{"Bishop"};
    std::println("p: {}, q: {}", std::any_cast<int>(p), std::any_cast<std::string&>(q));
    std::println("swap(p, q)");
    std::swap(p, q);
    std::println("p: {}, q: {}", std::any_cast<std::string&>(p), std::any_cast<int>(q));
}

p: 42, q: Bishop
swap(p, q)
p: Bishop, q: 42

See also