#include <iostream>
#include <queue>
 
struct probe {
    probe()=default; // { std::cout << "probe()" << ((void*)this) << std::endl; }
   // probe(const probe&) { std::cout << "probe(c&)" << ((void*)this) << std::endl; }
   probe(int x){}
    probe(probe&&) = default;
    probe & operator=(probe &&)=default;
    ~probe() { std::cout << "~probe()" << ((void*)this) << std::endl; }
};
 
int main() {
	std::queue<probe> my_queue;
 
	probe p(2);
	my_queue.push(std::move(p));
 
	return 0;
}
 

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