ceph/src/boost/libs/signals2/include/boost/signals2/variadic_signal.hpp

   1 /*
   2   A variadic implementation of variadic boost::signals2::signal, used when variadic
   3   template support is detected in the compiler.
   4
   5   Author: Frank Mori Hess <fmhess@users.sourceforge.net>
   6   Begin: 2009-05-26
   7 */
   8 // Copyright Frank Mori Hess 2009
   9 // Use, modification and
  10 // distribution is subject to the Boost Software License, Version
  11 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  12 // http://www.boost.org/LICENSE_1_0.txt)
  13
  14 // For more information, see http://www.boost.org
  15
  16 #ifndef BOOST_SIGNALS2_VARIADIC_SIGNAL_HPP
  17 #define BOOST_SIGNALS2_VARIADIC_SIGNAL_HPP
  18
  19 #include <boost/preprocessor/control/expr_if.hpp>
  20 #include <boost/signals2/detail/variadic_arg_type.hpp>
  21 #include <boost/signals2/detail/variadic_slot_invoker.hpp>
  22 #include <boost/type_traits/function_traits.hpp>
  23 #include <boost/type_traits/is_void.hpp>
  24 #include <boost/utility/enable_if.hpp>
  25
  26 namespace boost
  27 {
  28   namespace signals2
  29   {
  30     namespace detail
  31     {
  32       template<typename Signature> class variadic_extended_signature;
  33       // partial template specialization
  34       template<typename R, typename ... Args>
  35         class variadic_extended_signature<R (Args...)>
  36       {
  37       public:
  38         typedef boost::function<R (const boost::signals2::connection &, Args...)> function_type;
  39       };
  40     } // namespace detail
  41   } // namespace signals2
  42 } // namespace boost
  43
  44 #include <boost/signals2/detail/signal_template.hpp>
  45
  46 #endif // BOOST_SIGNALS2_VARIADIC_SIGNAL_HPP