Callback.cpp

Callback.cpp

// Example program
#include <iostream>
#include <string>
#include <functional>

struct PipedBuffer
{
    int bufSize;
};

typedef std::function<void(PipedBuffer*)> CallbackFunction;

void registerSubscriber(CallbackFunction f)
{
    PipedBuffer buf{10};
    f(&buf);
}

class Foo{
public:
    Foo() {
        registerSubscriber( std::bind(&Foo::fooCallback, this, std::placeholders::_1) );
    }
    void fooCallback(PipedBuffer* buf) {
        std::cout << "Foo::fooCallback" << std::endl;
        std::cout << buf->bufSize << std::endl;
    }
}; 

void barCallback(PipedBuffer* buf) {
    std::cout << "barCallback" << std::endl;
    std::cout << buf->bufSize << std::endl;
}



int main()
{
    Foo foo;
    registerSubscriber( std::bind(&barCallback, std::placeholders::_1) );
    
}