1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the terms 7// of the GNU General Public License as published by the Free Software 8// Foundation; either version 3, or (at your option) any later 9// version. 10 11// This library is distributed in the hope that it will be useful, but 12// WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14// General Public License for more details. 15 16// You should have received a copy of the GNU General Public License 17// along with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20 21// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 22 23// Permission to use, copy, modify, sell, and distribute this software 24// is hereby granted without fee, provided that the above copyright 25// notice appears in all copies, and that both that copyright notice 26// and this permission notice appear in supporting documentation. None 27// of the above authors, nor IBM Haifa Research Laboratories, make any 28// representation about the suitability of this software for any 29// purpose. It is provided "as is" without express or implied 30// warranty. 31 32/** 33 * @file trie_supports_order_statistics.hpp 34 * Checks whether a trie supports order stats. 35 */ 36 37#ifndef PB_DS_TRIE_SUPPORTS_ORDER_STATISTICS_HPP 38#define PB_DS_TRIE_SUPPORTS_ORDER_STATISTICS_HPP 39 40#include <ext/pb_ds/trie_policy.hpp> 41 42namespace __gnu_pbds 43{ 44 45 namespace test 46 { 47 48 namespace detail 49 { 50 51 template<typename Tree_Cntnr> 52 struct trie_supports_order_statistics 53 { 54 enum 55 { 56 value = __gnu_pbds::detail::is_same< 57 typename Tree_Cntnr::node_update, 58 __gnu_pbds::trie_order_statistics_node_update< 59 typename Tree_Cntnr::const_node_iterator, 60 typename Tree_Cntnr::node_iterator, 61 typename Tree_Cntnr::e_access_traits, 62 typename Tree_Cntnr::allocator_type> >::value 63 }; 64 }; 65 66 } // namespace detail 67 68 } // namespace test 69 70} // namespace __gnu_pbds 71 72#endif // #ifndef PB_DS_TRIE_SUPPORTS_ORDER_STATISTICS_HPP 73 74