#include <iostream>
using namespace std;
 
class MySingleClassInstance
{
public:
    static MySingleClassInstance&& GetInstance()
    {
        static MySingleClassInstance instance;
        return std::move(instance);
    };
 
    MySingleClassInstance(const MySingleClassInstance& other) = delete;
    MySingleClassInstance() noexcept = default;
    MySingleClassInstance(MySingleClassInstance&& other) noexcept = default;
    MySingleClassInstance& operator=(const MySingleClassInstance& other) = delete;
    MySingleClassInstance& operator=(MySingleClassInstance&& other) noexcept = default;
 
};
 
int main() {
	auto instance = MySingleClassInstance::GetInstance();
	return 0;
}