From 2c1a03f7854d0468a2735026b71f1b42403d1b2f Mon Sep 17 00:00:00 2001
From: Joel de Guzman <djowel@gmail.com>
Date: Thu, 20 Dec 2007 23:24:28 +0000
Subject: [PATCH] Removing fusion variant adapter

[SVN r42223]
---
 include/boost/fusion/adapted.hpp              |   4 +-
 include/boost/fusion/adapted/struct.hpp       |  17 ++-
 .../boost/fusion/adapted/struct/extension.hpp |   2 +-
 include/boost/fusion/adapted/variant.hpp      |  20 ---
 .../adapted/variant/detail/begin_impl.hpp     |  45 -------
 .../variant/detail/category_of_impl.hpp       |  33 -----
 .../adapted/variant/detail/end_impl.hpp       |  45 -------
 .../variant/detail/is_sequence_impl.hpp       |  31 -----
 .../adapted/variant/detail/is_view_impl.hpp   |  31 -----
 .../adapted/variant/detail/size_impl.hpp      |  32 -----
 .../boost/fusion/adapted/variant/tag_of.hpp   |  32 -----
 .../adapted/variant/variant_iterator.hpp      | 117 ------------------
 include/boost/fusion/include/variant.hpp      |  12 --
 13 files changed, 14 insertions(+), 407 deletions(-)
 delete mode 100644 include/boost/fusion/adapted/variant.hpp
 delete mode 100644 include/boost/fusion/adapted/variant/detail/begin_impl.hpp
 delete mode 100644 include/boost/fusion/adapted/variant/detail/category_of_impl.hpp
 delete mode 100644 include/boost/fusion/adapted/variant/detail/end_impl.hpp
 delete mode 100644 include/boost/fusion/adapted/variant/detail/is_sequence_impl.hpp
 delete mode 100644 include/boost/fusion/adapted/variant/detail/is_view_impl.hpp
 delete mode 100644 include/boost/fusion/adapted/variant/detail/size_impl.hpp
 delete mode 100644 include/boost/fusion/adapted/variant/tag_of.hpp
 delete mode 100644 include/boost/fusion/adapted/variant/variant_iterator.hpp
 delete mode 100644 include/boost/fusion/include/variant.hpp

diff --git a/include/boost/fusion/adapted.hpp b/include/boost/fusion/adapted.hpp
index 23693645..c343405c 100644
--- a/include/boost/fusion/adapted.hpp
+++ b/include/boost/fusion/adapted.hpp
@@ -2,7 +2,7 @@
     Copyright (c) 2001-2006 Joel de Guzman
     Copyright (c) 2005-2006 Dan Marsden
 
-    Distributed under the Boost Software License, Version 1.0. (See accompanying 
+    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_ADAPTED_30122005_1420)
@@ -12,6 +12,6 @@
 #include <boost/fusion/adapted/std_pair.hpp>
 #include <boost/fusion/adapted/array.hpp>
 #include <boost/fusion/adapted/mpl.hpp>
-#include <boost/fusion/adapted/variant.hpp>
+#include <boost/fusion/adapted/struct.hpp>
 
 #endif
diff --git a/include/boost/fusion/adapted/struct.hpp b/include/boost/fusion/adapted/struct.hpp
index 063f8f32..c3c24e0b 100644
--- a/include/boost/fusion/adapted/struct.hpp
+++ b/include/boost/fusion/adapted/struct.hpp
@@ -10,14 +10,19 @@
 
 #include <boost/fusion/adapted/struct/extension.hpp>
 #include <boost/fusion/adapted/struct/adapt_struct.hpp>
+#include <boost/fusion/adapted/struct/adapt_assoc_struct.hpp>
 #include <boost/fusion/adapted/struct/struct_iterator.hpp>
-#include <boost/fusion/adapted/struct/detail/is_view_impl.hpp>
-#include <boost/fusion/adapted/struct/detail/is_sequence_impl.hpp>
-#include <boost/fusion/adapted/struct/detail/category_of_impl.hpp>
-#include <boost/fusion/adapted/struct/detail/begin_impl.hpp>
-#include <boost/fusion/adapted/struct/detail/end_impl.hpp>
-#include <boost/fusion/adapted/struct/detail/size_impl.hpp>
+
 #include <boost/fusion/adapted/struct/detail/at_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/at_key_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/begin_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/category_of_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/end_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/has_key_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/is_sequence_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/is_view_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/size_impl.hpp>
 #include <boost/fusion/adapted/struct/detail/value_at_impl.hpp>
+#include <boost/fusion/adapted/struct/detail/value_at_key_impl.hpp>
 
 #endif
diff --git a/include/boost/fusion/adapted/struct/extension.hpp b/include/boost/fusion/adapted/struct/extension.hpp
index da084498..071b11e9 100644
--- a/include/boost/fusion/adapted/struct/extension.hpp
+++ b/include/boost/fusion/adapted/struct/extension.hpp
@@ -50,7 +50,7 @@ namespace boost { namespace fusion { namespace extension
     struct struct_assoc_member<Struct const, Key>
     {
         typedef typename
-        add_const<typename struct_assoc_member<Struct, Key>::type>::type
+            add_const<typename struct_assoc_member<Struct, Key>::type>::type
         type;
 
         static type&
diff --git a/include/boost/fusion/adapted/variant.hpp b/include/boost/fusion/adapted/variant.hpp
deleted file mode 100644
index 5e711c17..00000000
--- a/include/boost/fusion/adapted/variant.hpp
+++ /dev/null
@@ -1,20 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_12112006_1614)
-#define BOOST_FUSION_VARIANT_12112006_1614
-
-#include <boost/fusion/adapted/variant/variant_iterator.hpp>
-#include <boost/fusion/adapted/variant/detail/is_view_impl.hpp>
-#include <boost/fusion/adapted/variant/detail/is_sequence_impl.hpp>
-#include <boost/fusion/adapted/variant/detail/category_of_impl.hpp>
-#include <boost/fusion/adapted/variant/tag_of.hpp>
-#include <boost/fusion/adapted/variant/detail/size_impl.hpp>
-#include <boost/fusion/adapted/variant/detail/begin_impl.hpp>
-#include <boost/fusion/adapted/variant/detail/end_impl.hpp>
-
-#endif
diff --git a/include/boost/fusion/adapted/variant/detail/begin_impl.hpp b/include/boost/fusion/adapted/variant/detail/begin_impl.hpp
deleted file mode 100644
index dc9e2e7f..00000000
--- a/include/boost/fusion/adapted/variant/detail/begin_impl.hpp
+++ /dev/null
@@ -1,45 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_BEGIN_IMPL_12112006_2137)
-#define BOOST_FUSION_VARIANT_BEGIN_IMPL_12112006_2137
-
-#include <boost/mpl/begin.hpp>
-
-namespace boost { namespace fusion {
-
-    struct variant_tag;
-
-    template<typename Seq, typename Iterator>
-    struct variant_iterator;
-
-    namespace extension
-    {
-        template<typename T>
-        struct begin_impl;
-
-        template <>
-        struct begin_impl<variant_tag>
-        {
-            template <typename Seq>
-            struct apply 
-            {
-                typedef variant_iterator<
-                    Seq, 
-                    typename mpl::begin<typename Seq::types>::type> type;
-    
-                static type
-                call(Seq& v)
-                {
-                    return type(v);
-                }
-            };
-        };
-    }
-}}
-
-#endif
diff --git a/include/boost/fusion/adapted/variant/detail/category_of_impl.hpp b/include/boost/fusion/adapted/variant/detail/category_of_impl.hpp
deleted file mode 100644
index d81d9b3b..00000000
--- a/include/boost/fusion/adapted/variant/detail/category_of_impl.hpp
+++ /dev/null
@@ -1,33 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_CATEGORY_OF_IMPL_13112006_0802)
-#define BOOST_FUSION_VARIANT_CATEGORY_OF_IMPL_13112006_0802
-
-namespace boost { namespace fusion { 
-
-    struct variant_tag;
-    struct forward_traversal_tag;
-
-    namespace extension
-    {
-        template<typename T>
-        struct category_of_impl;
-
-        template<>
-        struct category_of_impl<variant_tag>
-        {
-            template<typename T>
-            struct apply
-            {
-                typedef forward_traversal_tag type;
-            };
-        };
-    }
-}}
-
-#endif
diff --git a/include/boost/fusion/adapted/variant/detail/end_impl.hpp b/include/boost/fusion/adapted/variant/detail/end_impl.hpp
deleted file mode 100644
index 622df47f..00000000
--- a/include/boost/fusion/adapted/variant/detail/end_impl.hpp
+++ /dev/null
@@ -1,45 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_END_IMPL_12112006_2137)
-#define BOOST_FUSION_VARIANT_END_IMPL_12112006_2137
-
-#include <boost/mpl/end.hpp>
-
-namespace boost { namespace fusion {
-
-    struct variant_tag;
-
-    template<typename Seq, typename Iterator>
-    struct variant_iterator;
-
-    namespace extension
-    {
-        template<typename T>
-        struct end_impl;
-
-        template <>
-        struct end_impl<variant_tag>
-        {
-            template <typename Seq>
-            struct apply 
-            {
-                typedef variant_iterator<
-                    Seq, 
-                    typename mpl::end<typename Seq::types>::type> type;
-    
-                static type
-                call(Seq& v)
-                {
-                    return type(v);
-                }
-            };
-        };
-    }
-}}
-
-#endif
diff --git a/include/boost/fusion/adapted/variant/detail/is_sequence_impl.hpp b/include/boost/fusion/adapted/variant/detail/is_sequence_impl.hpp
deleted file mode 100644
index 132f88a1..00000000
--- a/include/boost/fusion/adapted/variant/detail/is_sequence_impl.hpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_IS_SEQUENCE_IMPL_13112006_0748)
-#define BOOST_FUSION_VARIANT_IS_SEQUENCE_IMPL_13112006_0748
-
-#include <boost/mpl/bool.hpp>
-
-namespace boost { namespace fusion {
-
-    struct variant_tag;
-
-    namespace extension
-    {
-        template<typename Tag>
-        struct is_sequence_impl;
-
-        template<>
-        struct is_sequence_impl<variant_tag>
-        {
-            template<typename Sequence>
-            struct apply : mpl::true_ {};
-        };
-    }
-}}
-
-#endif
diff --git a/include/boost/fusion/adapted/variant/detail/is_view_impl.hpp b/include/boost/fusion/adapted/variant/detail/is_view_impl.hpp
deleted file mode 100644
index d58dbd3c..00000000
--- a/include/boost/fusion/adapted/variant/detail/is_view_impl.hpp
+++ /dev/null
@@ -1,31 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_IS_VIEW_IMPL_13112006_0749)
-#define BOOST_FUSION_VARIANT_IS_VIEW_IMPL_13112006_0749
-
-#include <boost/mpl/bool.hpp>
-
-namespace boost { namespace fusion {
-
-    struct variant_tag;
-
-    namespace extension
-    {
-        template<typename Tag>
-        struct is_view_impl;
-
-        template<>
-        struct is_view_impl<variant_tag>
-        {
-            template<typename Sequence>
-            struct apply : mpl::false_ {};
-        };
-    }
-}}
-
-#endif
diff --git a/include/boost/fusion/adapted/variant/detail/size_impl.hpp b/include/boost/fusion/adapted/variant/detail/size_impl.hpp
deleted file mode 100644
index 379bac32..00000000
--- a/include/boost/fusion/adapted/variant/detail/size_impl.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_SIZE_IMPL_12112006_2115)
-#define BOOST_FUSION_VARIANT_SIZE_IMPL_12112006_2115
-
-#include <boost/mpl/size.hpp>
-
-namespace boost { namespace fusion {
-
-    struct variant_tag;
-
-    namespace extension
-    {
-        template<typename T>
-        struct size_impl;
-
-        template<>
-        struct size_impl<variant_tag>
-        {
-            template<typename Sequence>
-            struct apply : mpl::size<typename Sequence::types> 
-            {};
-        };
-    }
-}}
-
-#endif
diff --git a/include/boost/fusion/adapted/variant/tag_of.hpp b/include/boost/fusion/adapted/variant/tag_of.hpp
deleted file mode 100644
index fcaa894e..00000000
--- a/include/boost/fusion/adapted/variant/tag_of.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_TAG_OF_12112006_1704)
-#define BOOST_FUSION_VARIANT_TAG_OF_12112006_1704
-
-#include <boost/fusion/support/tag_of_fwd.hpp>
-#include <boost/variant/variant_fwd.hpp>
-
-namespace boost { namespace fusion 
-{
-    struct variant_tag;
-
-    namespace traits
-    {
-        template<BOOST_VARIANT_ENUM_PARAMS(typename T)>
-#if defined(BOOST_PARTIAL_SPECIALIZATION_EXPLICT_ARGS)
-        struct tag_of<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>, void >
-#else
-        struct tag_of<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
-#endif
-        {
-            typedef variant_tag type;
-        };
-    }
-}}
-
-#endif
diff --git a/include/boost/fusion/adapted/variant/variant_iterator.hpp b/include/boost/fusion/adapted/variant/variant_iterator.hpp
deleted file mode 100644
index 9372002c..00000000
--- a/include/boost/fusion/adapted/variant/variant_iterator.hpp
+++ /dev/null
@@ -1,117 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
-    Copyright (c) 2005-2006 Dan Marsden
-
-    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_VARIANT_ITERATOR_12112006_1617)
-#define BOOST_FUSION_VARIANT_ITERATOR_12112006_1617
-
-#include <boost/fusion/iterator/iterator_facade.hpp>
-
-#include <boost/mpl/next.hpp>
-#include <boost/mpl/int.hpp>
-#include <boost/mpl/distance.hpp>
-#include <boost/mpl/deref.hpp>
-#include <boost/mpl/eval_if.hpp>
-#include <boost/type_traits/is_const.hpp>
-#include <boost/type_traits/add_const.hpp>
-#include <boost/type_traits/add_reference.hpp>
-#include <boost/variant/get.hpp>
-#include <boost/detail/workaround.hpp>
-
-namespace boost { namespace fusion
-{
-    struct forward_traversal_tag;
-
-    template<typename Variant, typename MPLIterator>
-    struct variant_iterator
-        : iterator_facade<variant_iterator<Variant, MPLIterator>, forward_traversal_tag>
-    {
-        typedef Variant variant_type;
-        typedef MPLIterator iterator;
-
-        variant_iterator(Variant& var)
-            : var_(var) {}
-        Variant& var_;
-
-        template<typename Iterator>
-        struct next
-        {
-            typedef variant_iterator<
-                typename Iterator::variant_type,
-                typename mpl::next<typename Iterator::iterator>::type> type;
-
-            static type
-            call(Iterator const& i)
-            {
-                return type(i.var_);
-            }
-        };
-
-        template<typename I1, typename I2>
-        struct distance
-            : mpl::distance<
-            typename I1::iterator,
-            typename I2::iterator>
-        {
-            typedef typename mpl::distance<
-                typename I1::iterator,
-                typename I2::iterator>::type type;
-
-            static type call(I1 const& i1, I2 const& i2)
-            {
-                return type();
-            }
-        };
-
-        template<typename Iterator>
-        struct value_of
-            : mpl::deref<typename Iterator::iterator>
-        {};
-
-        template <typename Iterator>
-        struct deref
-        {
-            typedef typename
-                mpl::eval_if<
-                    is_const<typename Iterator::variant_type>
-                  , add_const<typename mpl::deref<typename Iterator::iterator>::type>
-                  , mpl::deref<typename Iterator::iterator>
-                >::type
-            value_type;
-
-            typedef typename
-                add_reference<value_type>::type
-            type;
-
-#if BOOST_WORKAROUND(BOOST_MSVC, < 1400)
-// for some unknown reason (compiler bug) VC7.1 gets confused with
-// variant and optional get functions.
-            static type
-            call(Iterator const & it)
-            {
-                boost::detail::variant::get_visitor<type> v;
-                typedef typename mpl::deref<typename Iterator::iterator>::type type;
-                if (type* result = it.var_.apply_visitor(v))
-                    return *result;
-                it.var_ = type(); // prime the variant
-                return *it.var_.apply_visitor(v); // no-throw!
-            }
-#else
-            static type
-            call(Iterator const & it)
-            {
-                typedef typename mpl::deref<typename Iterator::iterator>::type type;
-                if (type* result = boost::get<type>(&it.var_))
-                    return *result;
-                it.var_ = type(); // prime the variant
-                return *boost::get<type>(&it.var_); // no-throw!
-            }
-#endif
-        };
-    };
-}}
-
-#endif
diff --git a/include/boost/fusion/include/variant.hpp b/include/boost/fusion/include/variant.hpp
deleted file mode 100644
index 3d013b8e..00000000
--- a/include/boost/fusion/include/variant.hpp
+++ /dev/null
@@ -1,12 +0,0 @@
-/*=============================================================================
-    Copyright (c) 2001-2007 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(FUSION_INCLUDE_VARIANT)
-#define FUSION_INCLUDE_VARIANT
-
-#include <boost/fusion/adapted/variant.hpp>
-
-#endif