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+/*
+---------------------------------------------------------------------
+    The template library textwolf implements an input iterator on
+    a set of XML path expressions without backward references on an
+    STL conforming input iterator as source. It does no buffering
+    or read ahead and is dedicated for stream processing of XML
+    for a small set of XML queries.
+    Stream processing in this context refers to processing the
+    document without buffering anything but the current result token
+    processed with its tag hierarchy information.
+
+    Copyright (C) 2010,2011,2012,2013,2014 Patrick Frey
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 3.0 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+--------------------------------------------------------------------
+
+	The latest version of textwolf can be found at 'http://github.com/patrickfrey/textwolf'
+	For documentation see 'http://patrickfrey.github.com/textwolf'
+
+--------------------------------------------------------------------
+*/
+#ifndef __TEXTWOLF_TRAITS_HPP__
+#define __TEXTWOLF_TRAITS_HPP__
+/// \file textwolf/traits.hpp
+/// \brief Type traits
+
+namespace textwolf {
+namespace traits {
+
+/// \class TypeCheck
+/// \brief Test structure to stear the compiler
+class TypeCheck
+{
+public:
+	struct YES {};
+	struct NO {};
+
+	template<typename T, typename U>
+	struct is_same 
+	{
+		static const NO type() {return NO();}
+	};
+	
+	template<typename T>
+	struct is_same<T,T>
+	{
+		static const YES type() {return YES();} 
+	};
+};
+
+}}//namespace
+#endif