CPP/Boost/Signals/ClassMember

ClassMember.cpp

#include <boost/signal.hpp>
#include <boost/bind.hpp>
 
#include <iostream>
 
class Dog
{
public:
  boost::signal<void ()> Bark;
};
 
class Person
{
private:
  Dog Lassy;
public:
  Person()
  {
    Lassy.Bark.connect(boost::bind(&Person::HearBark, this));
  }
 
  void HearBark()
  {
    std::cout << "I heard you bark!" << std::endl;
  }
 
  void CauseDogToBark()
  {
    Lassy.Bark();
  }
 
};
 
int main()
{
  Person david;
  david.CauseDogToBark();
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
Project(ClassMember)
 
ADD_EXECUTABLE(ClassMember ClassMember.cpp)
TARGET_LINK_LIBRARIES(ClassMember boost_signals-mt)