#include <iostream>

class OnlyOnStack {

public:

    OnlyOnStack() {

        std::cout << "ctor!" << std::endl;

    }

    ~OnlyOnStack() {

        std::cout << "dctor!" << std::endl;

    }

private:

    void* operator new (std::size_t size);

    void* operator new (std::size_t size, const std::nothrow_t& nothrow_value) noexcept;

    void* operator new (std::size_t size, void* ptr) noexcept;

    void* operator new[](std::size_t size);

    void* operator new[] (std::size_t size, const std::nothrow_t& nothrow_value) noexcept;

    void* operator new[] (std::size_t size, void* ptr) noexcept;

};

int main() {

    OnlyOnStack stack;

    // OnlyOnStack *ps = new OnlyOnStack;

}