#include <iostream>
 
struct T {
	int n;
	T(int n) : n(n) { std::cout << "create " << n << "\n"; }
	T(T const &x) : n(x.n) { std::cout << "copy " << n << "\n"; }
	T(T &&x) : n() { std::swap(n, x.n); std::cout << "move " << n << "\n"; }
	~T() { std::cout << "destroy " << n << "\n"; }
 
	void operator+=(T const &x) { n += x.n; }
};
T operator+(T a, T const &b) { a += b; return a; }
 
T f() { return T(18); }
int main() {
	T obj {f() + T(24)};
	return 0;
}

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