Initial Commit

.svn/pristine/22/22009e093c58f547678a51bcd2b73f24c04a0474.svn-base

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+/*=============================================================================
+    Copyright (c) 2001-2011 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_BUILD_CONS_09232005_1222)
+#define FUSION_BUILD_CONS_09232005_1222
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/container/list/cons.hpp>
+#include <boost/fusion/iterator/equal_to.hpp>
+#include <boost/fusion/iterator/next.hpp>
+#include <boost/fusion/iterator/value_of.hpp>
+#include <boost/fusion/iterator/deref.hpp>
+
+namespace boost { namespace fusion { namespace detail
+{
+    template <
+        typename First
+      , typename Last
+      , bool is_empty = result_of::equal_to<First, Last>::value>
+    struct build_cons;
+
+    template <typename First, typename Last>
+    struct build_cons<First, Last, true>
+    {
+        typedef nil_ type;
+
+        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+        static nil_
+        call(First const&, Last const&)
+        {
+            return nil_();
+        }
+    };
+
+    template <typename First, typename Last>
+    struct build_cons<First, Last, false>
+    {
+        typedef
+            build_cons<typename result_of::next<First>::type, Last>
+        next_build_cons;
+
+        typedef cons<
+            typename result_of::value_of<First>::type
+          , typename next_build_cons::type> 
+        type;
+
+        BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+        static type
+        call(First const& f, Last const& l)
+        {
+            typename result_of::value_of<First>::type v = *f;
+            return type(v, next_build_cons::call(fusion::next(f), l));
+        }
+    };
+
+}}}
+
+#endif