--- /dev/null
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the terms
+// of the GNU General Public License as published by the Free Software
+// Foundation; either version 3, 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
+// General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+
+// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
+
+// Permission to use, copy, modify, sell, and distribute this software
+// is hereby granted without fee, provided that the above copyright
+// notice appears in all copies, and that both that copyright notice
+// and this permission notice appear in supporting documentation. None
+// of the above authors, nor IBM Haifa Research Laboratories, make any
+// representation about the suitability of this software for any
+// purpose. It is provided "as is" without express or implied
+// warranty.
+
+/**
+ * @file native_set.hpp
+ * Contains an adapter to std::set
+ */
+
+#ifndef PB_DS_NATIVE_SET_HPP
+#define PB_DS_NATIVE_SET_HPP
+
+#include <string>
+#include <ext/pb_ds/detail/type_utils.hpp>
+#include <ext/pb_ds/detail/standard_policies.hpp>
+#include <native_type/native_tree_tag.hpp>
+#include <io/xml.hpp>
+
+namespace __gnu_pbds
+{
+ namespace test
+ {
+#define PB_DS_BASE_C_DEC \
+ std::set<Key, Cmp_Fn, typename Allocator::template rebind<Key>::other>
+
+ template<typename Key, class Cmp_Fn = std::less<Key>,
+ class Allocator = std::allocator<char> >
+ class native_set : public PB_DS_BASE_C_DEC
+ {
+ private:
+ typedef PB_DS_BASE_C_DEC base_type;
+
+ public:
+ typedef native_tree_tag container_category;
+ typedef typename base_type::const_iterator const_iterator;
+
+ native_set() : base_type()
+ { }
+
+ template<typename It>
+ native_set(It f, It l) : base_type(f, l)
+ { }
+
+ native_set(const_iterator f, const_iterator l) : base_type(f, l)
+ { }
+
+ static std::string
+ name()
+ { return std::string("n_set"); }
+
+ static std::string
+ desc()
+ { return make_xml_tag("type", "value", "std_set"); }
+ };
+
+#undef PB_DS_BASE_C_DEC
+ } // namespace test
+} // namespace __gnu_pbds
+
+#endif // #ifndef PB_DS_NATIVE_SET_HPP