From 9672fe538587efcb0f5485800d40de34d1fc12b4 Mon Sep 17 00:00:00 2001
From: Joel de Guzman <djowel@gmail.com>
Date: Mon, 4 Feb 2013 11:52:58 +0000
Subject: [PATCH] map move supported + value_at_impl added

[SVN r82726]
---
 .../container/map/detail/value_at_impl.hpp    | 37 +++++++++++++++++++
 include/boost/fusion/container/map/map.hpp    | 30 ++++++++++++++-
 include/boost/fusion/support/pair.hpp         | 25 +++++++++++++
 3 files changed, 90 insertions(+), 2 deletions(-)
 create mode 100644 include/boost/fusion/container/map/detail/value_at_impl.hpp

diff --git a/include/boost/fusion/container/map/detail/value_at_impl.hpp b/include/boost/fusion/container/map/detail/value_at_impl.hpp
new file mode 100644
index 00000000..75f2ddae
--- /dev/null
+++ b/include/boost/fusion/container/map/detail/value_at_impl.hpp
@@ -0,0 +1,37 @@
+/*=============================================================================
+    Copyright (c) 2001-2013 Joel de Guzman
+
+    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)
+==============================================================================*/
+#if !defined(BOOST_FUSION_MAP_DETAIL_VALUE_AT_IMPL_02042013_0821)
+#define BOOST_FUSION_MAP_DETAIL_VALUE_AT_IMPL_02042013_0821
+
+#include <boost/mpl/at.hpp>
+
+namespace boost { namespace fusion
+{
+    struct map_tag;
+
+    namespace extension
+    {
+        template <typename Tag>
+        struct value_at_impl;
+
+        template <>
+        struct value_at_impl<map_tag>
+        {
+            template <typename Sequence, typename N>
+            struct apply
+            {
+                typedef mpl::int_<N::value> index;
+                typedef
+                    decltype(std::declval<Sequence>().get_val(index()))
+                type;
+            };
+        };
+    }
+}}
+
+#endif
+
diff --git a/include/boost/fusion/container/map/map.hpp b/include/boost/fusion/container/map/map.hpp
index 1ac36717..327c2e53 100644
--- a/include/boost/fusion/container/map/map.hpp
+++ b/include/boost/fusion/container/map/map.hpp
@@ -25,6 +25,7 @@
 #include <boost/fusion/container/map/detail/end_impl.hpp>
 #include <boost/fusion/container/map/detail/at_impl.hpp>
 #include <boost/fusion/container/map/detail/at_key_impl.hpp>
+#include <boost/fusion/container/map/detail/value_at_impl.hpp>
 #include <boost/fusion/container/map/detail/value_at_key_impl.hpp>
 #include <boost/fusion/sequence/intrinsic/begin.hpp>
 #include <boost/fusion/sequence/intrinsic/end.hpp>
@@ -52,6 +53,14 @@ namespace boost { namespace fusion
 
         map() {}
 
+        map(map const& seq)
+          : base_type(seq.base())
+        {}
+
+        map(map&& seq)
+          : base_type(std::forward<map>(seq))
+        {}
+
         template <typename Sequence>
         map(Sequence const& seq
           , typename enable_if<traits::is_sequence<Sequence>>::type* /*dummy*/ = 0)
@@ -64,22 +73,39 @@ namespace boost { namespace fusion
           : base_type(begin(seq), detail::map_impl_from_iterator())
         {}
 
+        template <typename Sequence>
+        map(Sequence&& seq
+          , typename enable_if<traits::is_sequence<Sequence>>::type* /*dummy*/ = 0)
+          : base_type(begin(seq), detail::map_impl_from_iterator())
+        {}
+
         template <typename First, typename ...T_>
         map(First const& first, T_ const&... rest)
           : base_type(first, rest...)
         {}
 
         template <typename First, typename ...T_>
-        map(First& first, T_&... rest)
-          : base_type(first, rest...)
+        map(First&& first, T_&&... rest)
+          : base_type(std::forward<First>(first), std::forward<T_>(rest)...)
         {}
 
+        //~ template <typename First, typename ...T_>
+        //~ map(First& first, T_&... rest)
+          //~ : base_type(first, rest...)
+        //~ {}
+
         map& operator=(map const& rhs)
         {
             base_type::operator=(rhs.base());
             return *this;
         }
 
+        map& operator=(map&& rhs)
+        {
+            base_type::operator=(std::forward<base_type>(rhs.base()));
+            return *this;
+        }
+
         template <typename Sequence>
         typename enable_if<traits::is_sequence<Sequence>, map&>::type
         operator=(Sequence const& seq)
diff --git a/include/boost/fusion/support/pair.hpp b/include/boost/fusion/support/pair.hpp
index a5ba6ca4..0c04f379 100644
--- a/include/boost/fusion/support/pair.hpp
+++ b/include/boost/fusion/support/pair.hpp
@@ -28,9 +28,26 @@ namespace boost { namespace fusion
         pair()
             : second() {}
 
+        pair(pair const& rhs)
+            : second(rhs.second) {}
+
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+        pair(pair&& rhs)
+            : second(std::forward<Second>(rhs.second)) {}
+#endif
+
         pair(typename detail::call_param<Second>::type val)
             : second(val) {}
 
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+
+        template <typename Second2>
+        pair(Second2&& val
+          , typename boost::enable_if<is_convertible<Second2, Second> >::type* /*dummy*/ = 0
+        ) : second(std::forward<Second2>(val)) {}
+
+#endif
+
         template <typename Second2>
         pair(pair<First, Second2> const& rhs)
             : second(rhs.second) {}
@@ -48,6 +65,14 @@ namespace boost { namespace fusion
             return *this;
         }
 
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
+        pair& operator=(pair&& rhs)
+        {
+            second = std::forward<Second>(rhs.second);
+            return *this;
+        }
+#endif
+
         typedef First first_type;
         typedef Second second_type;
         Second second;