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 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 26 27 // Permission to use, copy, modify, sell, and distribute this software 28 // is hereby granted without fee, provided that the above copyright 29 // notice appears in all copies, and that both that copyright notice 30 // and this permission notice appear in supporting documentation. None 31 // of the above authors, nor IBM Haifa Research Laboratories, make any 32 // representation about the suitability of this software for any 33 // purpose. It is provided "as is" without express or implied 34 // warranty. 35 36 /** 37 * @file types_traits.hpp 38 * Contains a traits class of types used by containers. 39 */ 40 41 #ifndef PB_DS_TYPES_TRAITS_HPP 42 #define PB_DS_TYPES_TRAITS_HPP 43 44 #include <ext/pb_ds/detail/basic_types.hpp> 45 #include <ext/pb_ds/detail/type_utils.hpp> 46 #include <utility> 47 48 namespace __gnu_pbds 49 { 50 namespace detail 51 { 52 template<typename Key, typename Mapped, typename Alloc, bool Store_Extra> 53 struct vt_base_selector 54 { 55 typedef value_type_base<Key, Mapped, Alloc, Store_Extra> type; 56 }; 57 58 template<typename Key, typename Mapped, typename Alloc, bool Store_Extra> 59 struct types_traits 60 : public vt_base_selector<Key, Mapped, Alloc, Store_Extra>::type 61 { 62 typedef typename Alloc::template rebind<Key>::other key_allocator; 63 typedef typename key_allocator::value_type key_type; 64 typedef typename key_allocator::pointer key_pointer; 65 typedef typename key_allocator::const_pointer const_key_pointer; 66 typedef typename key_allocator::reference key_reference; 67 typedef typename key_allocator::const_reference const_key_reference; 68 typedef typename Alloc::size_type size_type; 69 70 // Extra value (used when the extra value is stored with each value). 71 typedef std::pair<size_type, size_type> comp_hash; 72 73 typedef integral_constant<int, Store_Extra> store_extra; 74 store_extra m_store_extra_indicator; 75 76 typedef typename no_throw_copies<Key, Mapped>::indicator no_throw_copies; 77 no_throw_copies m_no_throw_copies_indicator; 78 }; 79 } // namespace detail 80 } // namespace __gnu_pbds 81 82 #endif 83