GoLang's defer in C++

jdefer.cpp

#include <iostream>
#include <type_traits>
#include <functional>

struct DeferObject {
        DeferObject() = default;

        ~DeferObject() {
                mCallback();
        }

        DeferObject & operator = (std::function<void()> callback) {
                mCallback = callback;

                return *this;
        }

        std::function<void()> mCallback;
};

#define ConcatName(base, ext) \
        base ## ext

#define ObjectName(base, ext) \
        ConcatName(base, ext)

#define DeferName(name) \
        DeferObject name; \
        name = [&]() 

#define defer \
        DeferName(ObjectName(__defer__, __COUNTER__))

int main() {    
        std::cout << "Hi" << std::endl;

        defer { 
                std::cout << "Bye" << std::endl;
        };

        std::cout << "End" << std::endl;
}