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1429.3.1
by Monty Taylor
Use unordered_map from the upcoming c++0x standard instead of a homemade |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2010 Monty Taylor
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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*
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* Includes either std::unordered_map if we have it, or boost::unordered_map
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* if we don't. Puts them into the drizzled namespace
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*/
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#ifndef DRIZZLED_UNORDERED_MAP_H
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#define DRIZZLED_UNORDERED_MAP_H
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#ifdef HAVE_STD_UNORDERED_MAP
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# include <unordered_map>
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#else
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# ifdef HAVE_TR1_UNORDERED_MAP
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# include <tr1/unordered_map>
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# else
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# ifdef HAVE_BOOST_UNORDERED_MAP
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# include <boost/unordered_map.hpp>
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# else
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# include <map>
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# include <functional>
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# endif
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# endif
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#endif
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namespace drizzled { |
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#ifdef HAVE_STD_UNORDERED_MAP
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using std::unordered_map; |
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using std::hash; |
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#else
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# ifdef HAVE_TR1_UNORDERED_MAP
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using std::tr1::unordered_map; |
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using std::tr1::hash; |
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# else
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# ifdef HAVE_BOOST_UNORDERED_MAP
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using boost::unordered_map; |
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using boost::hash; |
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# else
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template <typename Key, typename Data, |
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typename HashFcn = std::less<Key>, |
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typename EqualKey = int > |
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class unordered_map : |
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public std::map<Key, Data, HashFcn> |
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{
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public: |
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void rehash(size_t) |
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{ } |
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};
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# endif /* HAVE_BOOST_UNORDERED_MAP else */ |
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# endif /* HAVE_TR1_UNORDERED_MAP else */ |
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#endif /* HAVE_STD_UNORDERED_MAP else */ |
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} /* namespace drizzled */ |
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#endif /* DRIZZLED_UNORDERED_MAP_H */ |