libstdc++-v3/testsuite/util/common_type/assoc/detail/trie_supports_prefix_search.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2014 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_prefix_search.hpp
  34  * Checks whether a trie supports prefix search.
  35  */
  36
  37 #ifndef PB_DS_TRIE_SUPPORTS_PREFIX_SEARCH_HPP
  38 #define PB_DS_TRIE_SUPPORTS_PREFIX_SEARCH_HPP
  39
  40 #include <ext/pb_ds/trie_policy.hpp>
  41
  42 namespace __gnu_pbds
  43 {
  44
  45   namespace test
  46   {
  47
  48     namespace detail
  49     {
  50
  51       template<typename Tree_Cntnr>
  52       struct trie_supports_prefix_search
  53       {
  54         enum
  55           {
  56             value = __gnu_pbds::detail::is_same<
  57             typename Tree_Cntnr::node_update,
  58             __gnu_pbds::trie_prefix_search_node_update<
  59             typename Tree_Cntnr::node_const_iterator,
  60             typename Tree_Cntnr::node_iterator,
  61             typename Tree_Cntnr::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_PREFIX_SEARCH_HPP
  73