1 // Copyright Frank Mori Hess 2009
3 // Use, modification and
4 // distribution is subject to the Boost Software License, Version
5 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6 // http://www.boost.org/LICENSE_1_0.txt)
8 // For more information, see http://www.boost.org
10 #ifndef BOOST_SIGNALS2_DETAIL_VARIADIC_ARG_TYPE_HPP
11 #define BOOST_SIGNALS2_DETAIL_VARIADIC_ARG_TYPE_HPP
21 template<unsigned, typename ... Args> class variadic_arg_type;
23 template<typename T, typename ... Args> class variadic_arg_type<0, T, Args...>
29 template<unsigned n, typename T, typename ... Args> class variadic_arg_type<n, T, Args...>
32 typedef typename variadic_arg_type<n - 1, Args...>::type type;
35 template <typename ... Args>
36 struct std_functional_base
38 template <typename T1>
39 struct std_functional_base<T1>
41 typedef T1 argument_type;
43 template <typename T1, typename T2>
44 struct std_functional_base<T1, T2>
46 typedef T1 first_argument_type;
47 typedef T2 second_argument_type;
50 } // namespace signals2
54 #endif // BOOST_SIGNALS2_DETAIL_VARIADIC_ARG_TYPE_HPP