Added thirdparty: boost library

2026-08-13 02:38:07 +00:00 · 2024-01-06 19:55:56 +02:00
parent bf49f439e1
commit bccd1e7051
15683 changed files with 3239840 additions and 0 deletions
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+/*=============================================================================
+    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_AT_IMPL_02042013_0821)
+#define BOOST_FUSION_MAP_DETAIL_AT_IMPL_02042013_0821
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/support/detail/access.hpp>
+#include <boost/utility/declval.hpp>
+
+namespace boost { namespace fusion
+{
+    struct map_tag;
+
+    namespace extension
+    {
+        template <typename Tag>
+        struct at_impl;
+
+        template <>
+        struct at_impl<map_tag>
+        {
+            template <typename Sequence, typename N>
+            struct apply
+            {
+                typedef mpl::int_<N::value> index;
+                typedef
+                    decltype(boost::declval<Sequence>().get(index()))
+                type;
+
+                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+                static type
+                call(Sequence& m)
+                {
+                    return m.get(index());
+                }
+            };
+
+            template <typename Sequence, typename N>
+            struct apply<Sequence const, N>
+            {
+                typedef mpl::int_<N::value> index;
+                typedef
+                    decltype(boost::declval<Sequence const>().get(index()))
+                type;
+
+                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+                static type
+                call(Sequence const& m)
+                {
+                    return m.get(index());
+                }
+            };
+        };
+    }
+}}
+
+#endif