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dindexer/include/pq/implem/sequence_bt.hpp

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2016-02-05 20:01:51 +00:00
/* Copyright 2015, 2016, Michele Santullo
* This file is part of "dindexer".
*
* "dindexer" 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 of the License, or
* (at your option) any later version.
*
* "dindexer" 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 "dindexer". If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef id4FAEF395B9ED47CB9D6B50B54C9A289A
#define id4FAEF395B9ED47CB9D6B50B54C9A289A
#include <cstddef>
namespace pq {
namespace bt {
template <std::size_t... I>
struct index_seq {
};
namespace implem {
template <std::size_t MIN, std::size_t MAX, std::size_t... I>
struct range_builder;
template <std::size_t MIN, std::size_t... I>
struct range_builder<MIN, MIN, I...> {
typedef index_seq<I...> type;
};
template <std::size_t MIN, std::size_t N, std::size_t... I>
struct range_builder : public range_builder<MIN, N - 1, N - 1, I...> {
};
} //namespace implem
template <std::size_t MIN, std::size_t MAX>
using index_range = typename implem::range_builder<MIN, MAX>::type;
} //namespace bt
} //namespace pq
#endif