testSig.cpp

#include <iostream>
#include <string>
#include <boost/signals2.hpp>

using namespace std;
using namespace boost;


void print_args(float x, float y)
{
  std::cout << "The arguments are " << x << " and " << y << std::endl;
}

void print_sum(float x, float y)
{
  std::cout << "The sum is " << x + y << std::endl;
}

void print_product(float x, float y)
{
  std::cout << "The product is " << x * y << std::endl;
}

void print_difference(float x, float y)
{
  std::cout << "The difference is " << x - y << std::endl;
}

void print_quotient(float x, float y)
{
  std::cout << "The quotient is " << x / y << std::endl;
}


int main()
{
  boost::signals2::signal<void (float, float)> sig;

  sig.connect(&print_args);
  sig.connect(&print_sum);
  sig.connect(&print_product);
  sig.connect(&print_difference);
  sig.connect(&print_quotient);
  sig(5, 3);
  return 0;
}