Added boost header

test/external/boost/phoenix/operator/if_else.hpp

@@ -0,0 +1,50 @@
+/*==============================================================================
+    Copyright (c) 2001-2010 Joel de Guzman
+    Copyright (c) 2010 Thomas Heller
+
+    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)
+==============================================================================*/
+#ifndef BOOST_PHOENIX_OPERATOR_IF_ELSE_HPP
+#define BOOST_PHOENIX_OPERATOR_IF_ELSE_HPP
+
+#include <boost/phoenix/core/limits.hpp>
+#include <boost/phoenix/core/meta_grammar.hpp>
+#include <boost/phoenix/core/expression.hpp>
+#include <boost/proto/operators.hpp>
+
+namespace boost { namespace phoenix
+{
+    namespace tag
+    {
+        typedef proto::tag::if_else_ if_else_operator;
+    }
+
+    namespace expression
+    {
+        template <typename A0, typename A1, typename A2>
+        struct if_else_operator
+            : expr<tag::if_else_operator, A0, A1, A2>
+        {};
+    }
+
+    namespace rule
+    {
+        struct if_else_operator
+            : expression::if_else_operator<
+                meta_grammar
+              , meta_grammar
+              , meta_grammar
+            >
+        {};
+    }
+
+    template <typename Dummy>
+    struct meta_grammar::case_<tag::if_else_operator, Dummy>
+        : enable_rule<rule::if_else_operator, Dummy>
+    {};
+
+    using proto::if_else;
+}}
+
+#endif