#include <iostream>
#include <typeinfo>
#include <map>
 
struct A {
    A() {
        std::cout << "A was created" << std::endl;
    }
 
    A(A &&) {
        std::cout << "A's move constructor was called" << std::endl;
    }
 
    A(A const &) {
        std::cout << "A's copy constructor was called" << std::endl;
    }
 
    ~A() {
        std::cout << "A was destroyed" << std::endl;
    }
};
 
int main() {
    std::map<int, A> theMap {{1, A()}, {2, A()}};
 
    std::cout << "Starting for loop now" << std::endl;
 
    for (auto const & pair : theMap) {
        std::cout << "performed an iteration" << std::endl;
    }
 
    std::cout << "for loop finished" << std::endl;
}

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