--- /dev/null
+// Boost result_of library
+
+// Copyright Douglas Gregor 2004. 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)
+
+// Copyright Daniel Walker, Eric Niebler, Michel Morin 2008-2012.
+// 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/libs/utility
+#if !defined(BOOST_PP_IS_ITERATING)
+# error Boost result_of - do not include this file!
+#endif
+
+// CWPro8 requires an argument in a function type specialization
+#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3002)) && BOOST_PP_ITERATION() == 0
+# define BOOST_RESULT_OF_ARGS void
+#else
+# define BOOST_RESULT_OF_ARGS BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)
+#endif
+
+#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct tr1_result_of<F(BOOST_RESULT_OF_ARGS)>
+ : mpl::if_<
+ mpl::or_< is_pointer<F>, is_member_function_pointer<F> >
+ , boost::detail::tr1_result_of_impl<
+ typename remove_cv<F>::type,
+ typename remove_cv<F>::type(BOOST_RESULT_OF_ARGS),
+ (boost::detail::has_result_type<F>::value)>
+ , boost::detail::tr1_result_of_impl<
+ F,
+ F(BOOST_RESULT_OF_ARGS),
+ (boost::detail::has_result_type<F>::value)> >::type { };
+#endif
+
+#ifdef BOOST_RESULT_OF_USE_DECLTYPE
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct result_of<F(BOOST_RESULT_OF_ARGS)>
+ : detail::cpp0x_result_of<F(BOOST_RESULT_OF_ARGS)> { };
+#endif // BOOST_RESULT_OF_USE_DECLTYPE
+
+#ifdef BOOST_RESULT_OF_USE_TR1_WITH_DECLTYPE_FALLBACK
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct result_of<F(BOOST_RESULT_OF_ARGS)>
+ : mpl::if_<mpl::or_<detail::has_result_type<F>, detail::has_result<F> >,
+ tr1_result_of<F(BOOST_RESULT_OF_ARGS)>,
+ detail::cpp0x_result_of<F(BOOST_RESULT_OF_ARGS)> >::type { };
+#endif // BOOST_RESULT_OF_USE_TR1_WITH_DECLTYPE_FALLBACK
+
+#if defined(BOOST_RESULT_OF_USE_DECLTYPE) || defined(BOOST_RESULT_OF_USE_TR1_WITH_DECLTYPE_FALLBACK)
+
+namespace detail {
+
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct cpp0x_result_of<F(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T))>
+ : mpl::if_<
+ is_member_function_pointer<F>
+ , detail::tr1_result_of_impl<
+ typename remove_cv<F>::type,
+ typename remove_cv<F>::type(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)), false
+ >
+ , detail::cpp0x_result_of_impl<
+ F(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T))
+ >
+ >::type
+{};
+
+#ifdef BOOST_NO_SFINAE_EXPR
+
+template<typename F>
+struct BOOST_PP_CAT(result_of_callable_fun_2_, BOOST_PP_ITERATION());
+
+template<typename R BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), typename T)>
+struct BOOST_PP_CAT(result_of_callable_fun_2_, BOOST_PP_ITERATION())<R(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(), T))> {
+ R operator()(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(), T)) const;
+ typedef result_of_private_type const &(*pfn_t)(...);
+ operator pfn_t() const volatile;
+};
+
+template<typename F>
+struct BOOST_PP_CAT(result_of_callable_fun_, BOOST_PP_ITERATION());
+
+template<typename F>
+struct BOOST_PP_CAT(result_of_callable_fun_, BOOST_PP_ITERATION())<F *>
+ : BOOST_PP_CAT(result_of_callable_fun_2_, BOOST_PP_ITERATION())<F>
+{};
+
+template<typename F>
+struct BOOST_PP_CAT(result_of_callable_fun_, BOOST_PP_ITERATION())<F &>
+ : BOOST_PP_CAT(result_of_callable_fun_2_, BOOST_PP_ITERATION())<F>
+{};
+
+template<typename F>
+struct BOOST_PP_CAT(result_of_select_call_wrapper_type_, BOOST_PP_ITERATION())
+ : mpl::eval_if<
+ is_class<typename remove_reference<F>::type>,
+ result_of_wrap_callable_class<F>,
+ mpl::identity<BOOST_PP_CAT(result_of_callable_fun_, BOOST_PP_ITERATION())<typename remove_cv<F>::type> >
+ >
+{};
+
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), typename T)>
+struct BOOST_PP_CAT(result_of_is_callable_, BOOST_PP_ITERATION()) {
+ typedef typename BOOST_PP_CAT(result_of_select_call_wrapper_type_, BOOST_PP_ITERATION())<F>::type wrapper_t;
+ static const bool value = (
+ sizeof(result_of_no_type) == sizeof(detail::result_of_is_private_type(
+ (boost::declval<wrapper_t>()(BOOST_PP_ENUM_BINARY_PARAMS(BOOST_PP_ITERATION(), boost::declval<T, >() BOOST_PP_INTERCEPT)), result_of_weird_type())
+ ))
+ );
+ typedef mpl::bool_<value> type;
+};
+
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct cpp0x_result_of_impl<F(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)), true>
+ : lazy_enable_if<
+ BOOST_PP_CAT(result_of_is_callable_, BOOST_PP_ITERATION())<F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), T)>
+ , cpp0x_result_of_impl<F(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)), false>
+ >
+{};
+
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct cpp0x_result_of_impl<F(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)), false>
+{
+ typedef decltype(
+ boost::declval<F>()(
+ BOOST_PP_ENUM_BINARY_PARAMS(BOOST_PP_ITERATION(), boost::declval<T, >() BOOST_PP_INTERCEPT)
+ )
+ ) type;
+};
+
+#else // BOOST_NO_SFINAE_EXPR
+
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct cpp0x_result_of_impl<F(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)),
+ typename result_of_always_void<decltype(
+ boost::declval<F>()(
+ BOOST_PP_ENUM_BINARY_PARAMS(BOOST_PP_ITERATION(), boost::declval<T, >() BOOST_PP_INTERCEPT)
+ )
+ )>::type> {
+ typedef decltype(
+ boost::declval<F>()(
+ BOOST_PP_ENUM_BINARY_PARAMS(BOOST_PP_ITERATION(), boost::declval<T, >() BOOST_PP_INTERCEPT)
+ )
+ ) type;
+};
+
+#endif // BOOST_NO_SFINAE_EXPR
+
+} // namespace detail
+
+#else // defined(BOOST_RESULT_OF_USE_DECLTYPE) || defined(BOOST_RESULT_OF_USE_TR1_WITH_DECLTYPE_FALLBACK)
+
+#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+template<typename F BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct result_of<F(BOOST_RESULT_OF_ARGS)>
+ : tr1_result_of<F(BOOST_RESULT_OF_ARGS)> { };
+#endif
+
+#endif // defined(BOOST_RESULT_OF_USE_DECLTYPE)
+
+#undef BOOST_RESULT_OF_ARGS
+
+#if BOOST_PP_ITERATION() >= 1
+
+namespace detail {
+
+template<typename R, typename FArgs BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct tr1_result_of_impl<R (*)(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)), FArgs, false>
+{
+ typedef R type;
+};
+
+template<typename R, typename FArgs BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct tr1_result_of_impl<R (&)(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(),T)), FArgs, false>
+{
+ typedef R type;
+};
+
+#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+template<typename R, typename FArgs BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct tr1_result_of_impl<R (T0::*)
+ (BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_ITERATION(),T)),
+ FArgs, false>
+{
+ typedef R type;
+};
+
+template<typename R, typename FArgs BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct tr1_result_of_impl<R (T0::*)
+ (BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_ITERATION(),T))
+ const,
+ FArgs, false>
+{
+ typedef R type;
+};
+
+template<typename R, typename FArgs BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct tr1_result_of_impl<R (T0::*)
+ (BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_ITERATION(),T))
+ volatile,
+ FArgs, false>
+{
+ typedef R type;
+};
+
+template<typename R, typename FArgs BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(),typename T)>
+struct tr1_result_of_impl<R (T0::*)
+ (BOOST_PP_ENUM_SHIFTED_PARAMS(BOOST_PP_ITERATION(),T))
+ const volatile,
+ FArgs, false>
+{
+ typedef R type;
+};
+#endif
+
+}
+#endif
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