Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
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+/*=============================================================================
+    Copyright (c) 2001 Doug Gregor
+    Copyright (c) 1999-2003 Jaakko Jarvi
+    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_IGNORE_07192005_0329)
+#define FUSION_IGNORE_07192005_0329
+
+#include <boost/fusion/support/config.hpp>
+
+namespace boost { namespace fusion
+{
+    //  Swallows any assignment (by Doug Gregor)
+    namespace detail
+    {
+        struct swallow_assign
+        {
+            template<typename T>
+            BOOST_FUSION_CONSTEXPR_THIS BOOST_FUSION_GPU_ENABLED
+            swallow_assign const&
+            operator=(const T&) const
+            {
+                return *this;
+            }
+        };
+    }
+
+    //  "ignore" allows tuple positions to be ignored when using "tie".
+    BOOST_CONSTEXPR_OR_CONST detail::swallow_assign ignore = detail::swallow_assign();
+}}
+
+#endif