#include <iostream>
#include <memory>
using namespace std;
 
class foo {
public:
    foo():a(new int()) { std::cout << "ctor" << std::endl; }
   // foo(const foo & x) { std::cout << "copy" << std::endl; }
    //foo(foo && x) { std::cout << "move" << std::endl; }
    std::shared_ptr<int> a;
};
 
int main() {
    foo a;
    foo b;
    auto f = [a=move(a), b=move(b)] () {cout<<!a.a<<endl; };
    f();
    auto f2(std::move(f));
    f();
    return 0;
}

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