Added boost header

test/external/boost/icl/detail/concept_check.hpp

@@ -0,0 +1,31 @@
+/*-----------------------------------------------------------------------------+    
+Copyright (c) 2009-2009: Joachim Faulhaber
++------------------------------------------------------------------------------+
+   Distributed under the Boost Software License, Version 1.0.
+      (See accompanying file LICENCE.txt or copy at
+           http://www.boost.org/LICENSE_1_0.txt)
++-----------------------------------------------------------------------------*/
+#ifndef BOOST_ICL_CONCEPT_CHECK_HPP_JOFA_090913
+#define BOOST_ICL_CONCEPT_CHECK_HPP_JOFA_090913
+
+#include <boost/concept_check.hpp>
+#include <boost/concept/detail/concept_def.hpp>
+
+namespace boost{ namespace icl
+{
+
+    BOOST_concept(EqualComparable,(Type))
+    {
+        BOOST_CONCEPT_USAGE(EqualComparable) {
+            require_boolean_expr(_left == _right);
+        }
+    private:
+        Type _left, _right;
+    };
+
+}}// namespace boost icl
+
+
+#endif
+
+