use C++ member functions as callbacks

cpp_bind

#include <functional>
#include <iostream>

using namespace std;

class C
{
public:
    int foo;
    
    void m()
    {
    	cout << foo << endl;
    }
};

void g(std::function<void()> f)
{
    f();
}


int main()
{
    C c;
    c.foo = 123;
    g(std::bind(&C::m, &c));
    return 0;
}