ceph/src/boost/libs/signals2/example/hello_world_multi_slot.cpp

   1 // Multiple slot hello world example for Boost.Signals2
   2 // Copyright Douglas Gregor 2001-2004.
   3 // Copyright Frank Mori Hess 2009.
   4 //
   5 // Use, modification and
   6 // distribution is subject to the Boost Software License, Version
   7 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9 // For more information, see http://www.boost.org
  10
  11 #include <iostream>
  12 #include <boost/signals2/signal.hpp>
  13
  14 //[ hello_def_code_snippet
  15 struct Hello
  16 {
  17   void operator()() const
  18   {
  19     std::cout << "Hello";
  20   }
  21 };
  22 //]
  23
  24 //[ world_def_code_snippet
  25 struct World
  26 {
  27   void operator()() const
  28   {
  29     std::cout << ", World!" << std::endl;
  30   }
  31 };
  32 //]
  33
  34 int main()
  35 {
  36 //[ hello_world_multi_code_snippet
  37   boost::signals2::signal<void ()> sig;
  38
  39   sig.connect(Hello());
  40   sig.connect(World());
  41
  42   sig();
  43 //]
  44
  45   return 0;
  46 }
  47