#include <iostream>
#include <type_traits>
 
using namespace std;
 
struct NTC
{
	int x;
 
	NTC(int mX) : x(mX) { }
 
	~NTC() 
	{
		cout << "boop." << x << endl;
	}
};
 
 
 
int main() 
{
	using AS = aligned_storage_t<sizeof(NTC), alignof(NTC)>;
 
	AS as1, as2;
 
	new (&as1) NTC{2};
	new (&as2) NTC{5};
 
	NTC& in1{*static_cast<NTC*>(static_cast<void*>(&as1))};
	NTC& in2{*static_cast<NTC*>(static_cast<void*>(&as2))};
 
	std::swap(in1, in2);
 
	in1.~NTC();
	in2.~NTC();
 
	return 0;
}

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