Added boost header

test/external/boost/lambda/detail/control_constructs_common.hpp

@@ -0,0 +1,50 @@
+// Boost Lambda Library -- control_constructs_common.hpp -------------------
+
+// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
+// Copyright (C) 2000 Gary Powell (powellg@amazon.com)
+//
+// 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)
+//
+// For more information, see www.boost.org
+
+// --------------------------------------------------------------------------
+
+#if !defined(BOOST_CONTROL_CONSTRUCTS_COMMON_HPP)
+#define BOOST_CONTROL_CONSTRUCTS_COMMON_HPP
+
+namespace boost { 
+namespace lambda {
+
+  // special types of lambda functors, used with control structures
+  // to guarantee that they are composed correctly.
+
+template<class Tag, class LambdaFunctor>
+class tagged_lambda_functor;
+
+template<class Tag, class Args>
+class tagged_lambda_functor<Tag, lambda_functor<Args> > 
+  : public lambda_functor<Args> 
+{
+public:
+  tagged_lambda_functor(const Args& a) : lambda_functor<Args>(a) {}
+
+  tagged_lambda_functor(const lambda_functor<Args>& a) 
+    : lambda_functor<Args>(a) {}
+
+  // for the no body cases in control structures.
+  tagged_lambda_functor() : lambda_functor<Args>() {}
+};
+
+} // lambda
+} // boost
+
+#endif // BOOST_CONTROL_CONSTRUCTS_COMMON_HPP
+
+
+
+
+
+
+