33 lines
719 B
C++
33 lines
719 B
C++
// Boost.Signals library
|
|
|
|
// Copyright Douglas Gregor 2001-2003. Use, modification and
|
|
// distribution is subject to the Boost Software License, Version
|
|
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
// For more information, see http://www.boost.org
|
|
|
|
#include <iostream>
|
|
#include <boost/signals/signal2.hpp>
|
|
|
|
struct print_sum {
|
|
void operator()(int x, int y) const { std::cout << x+y << std::endl; }
|
|
};
|
|
|
|
struct print_product {
|
|
void operator()(int x, int y) const { std::cout << x*y << std::endl; }
|
|
};
|
|
|
|
|
|
int main()
|
|
{
|
|
boost::signal2<void, int, int> sig;
|
|
|
|
sig.connect(print_sum());
|
|
sig.connect(print_product());
|
|
|
|
sig(3, 5); // prints 8 and 15
|
|
|
|
return 0;
|
|
}
|