Update to boost v1.63.0

2025-12-24 00:04:41 +01:00 · 2017-03-12 21:29:07 -07:00 · 2017-03-12 21:29:07 -07:00 · 25db91d480
commit 25db91d480
parent f005c955f8
535 changed files with 20797 additions and 37185 deletions
--- a/boost/variant/detail/multivisitors_cpp14_based.hpp
+++ b/boost/variant/detail/multivisitors_cpp14_based.hpp
@ -0,0 +1,142 @@
+//  Boost.Varaint
+//  Contains multivisitors that are implemented via variadic templates, std::tuple
+//  and decltype(auto)
+//
+//  See http://www.boost.org for most recent version, including documentation.
+//
+//  Copyright Antony Polukhin, 2013-2014.
+//
+//  Distributed under 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).
+
+#ifndef BOOST_VARIANT_DETAIL_MULTIVISITORS_CPP14_BASED_HPP
+#define BOOST_VARIANT_DETAIL_MULTIVISITORS_CPP14_BASED_HPP
+
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+#include <boost/variant/detail/multivisitors_cpp14_based.hpp>
+
+namespace boost { 
+
+namespace detail { namespace variant {
+
+    // Forward declaration
+    template <typename Visitor, typename Visitables, typename... Values>
+    class one_by_one_visitor_and_value_referer_cpp14;
+
+    template <typename Visitor, typename Visitables, typename... Values>
+    inline one_by_one_visitor_and_value_referer_cpp14<Visitor, Visitables, Values... >
+        make_one_by_one_visitor_and_value_referer_cpp14(
+            Visitor& visitor, Visitables visitables, std::tuple<Values&...> values
+        )
+    {
+        return one_by_one_visitor_and_value_referer_cpp14<Visitor, Visitables, Values... > (
+            visitor, visitables, values
+        );
+    }
+
+    template <typename Visitor, typename Visitables, typename... Values>
+    class one_by_one_visitor_and_value_referer_cpp14
+    {
+        Visitor&                        visitor_;
+        std::tuple<Values&...>          values_;
+        Visitables                      visitables_;
+
+    public: // structors
+        one_by_one_visitor_and_value_referer_cpp14(
+                    Visitor& visitor, Visitables visitables, std::tuple<Values&...> values
+                ) BOOST_NOEXCEPT
+            : visitor_(visitor)
+            , values_(values)
+            , visitables_(visitables)
+        {}
+
+    public: // visitor interfaces
+        template <typename Value>
+        decltype(auto) operator()(Value& value) const
+        {
+            return ::boost::apply_visitor(
+                make_one_by_one_visitor_and_value_referer_cpp14(
+                    visitor_,
+                    tuple_tail(visitables_),
+                    std::tuple_cat(values_, std::tuple<Value&>(value))
+                )
+                , std::get<0>(visitables_) // getting Head element
+            );
+        }
+
+    private:
+        one_by_one_visitor_and_value_referer_cpp14& operator=(const one_by_one_visitor_and_value_referer_cpp14&);
+    };
+
+    template <typename Visitor, typename... Values>
+    class one_by_one_visitor_and_value_referer_cpp14<Visitor, std::tuple<>, Values...>
+    {
+        Visitor&                        visitor_;
+        std::tuple<Values&...>          values_;
+
+    public:
+        one_by_one_visitor_and_value_referer_cpp14(
+                    Visitor& visitor, std::tuple<> /*visitables*/, std::tuple<Values&...> values
+                ) BOOST_NOEXCEPT
+            : visitor_(visitor)
+            , values_(values)
+        {}
+
+        template <class Tuple, std::size_t... I>
+        decltype(auto) do_call(Tuple t, index_sequence<I...>) const {
+            return visitor_(std::get<I>(t)...);
+        }
+
+        template <typename Value>
+        decltype(auto) operator()(Value& value) const
+        {
+            return do_call(
+                std::tuple_cat(values_, std::tuple<Value&>(value)),
+                make_index_sequence<sizeof...(Values) + 1>()
+            );
+        }
+    };
+
+}} // namespace detail::variant
+
+    template <class Visitor, class T1, class T2, class T3, class... TN>
+    inline decltype(auto) apply_visitor(const Visitor& visitor, T1& v1, T2& v2, T3& v3, TN&... vn,
+        typename boost::disable_if<
+            boost::detail::variant::has_result_type<Visitor>
+        >::type* = 0)
+    {
+        return boost::apply_visitor(
+            ::boost::detail::variant::make_one_by_one_visitor_and_value_referer_cpp14(
+                visitor,
+                ::boost::detail::variant::forward_as_tuple_simple(v2, v3, vn...),
+                std::tuple<>()
+            ),
+            v1
+        );
+    }
+    
+
+    template <class Visitor, class T1, class T2, class T3, class... TN>
+    inline decltype(auto) apply_visitor(Visitor& visitor, T1& v1, T2& v2, T3& v3, TN&... vn,
+        typename boost::disable_if<
+            boost::detail::variant::has_result_type<Visitor>
+        >::type* = 0)
+    {
+        return ::boost::apply_visitor(
+            ::boost::detail::variant::make_one_by_one_visitor_and_value_referer_cpp14(
+                visitor,
+                ::boost::detail::variant::forward_as_tuple_simple(v2, v3, vn...),
+                std::tuple<>()
+            ),
+            v1
+        );
+    }
+
+} // namespace boost
+
+#endif // BOOST_VARIANT_DETAIL_MULTIVISITORS_CPP14_BASED_HPP
+