54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/*
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* Copyright 2015-2016 Michele "King_DuckZ" Santullo
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef id4FAEF395B9ED47CB9D6B50B54C9A289A
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#define id4FAEF395B9ED47CB9D6B50B54C9A289A
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#include <cstddef>
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namespace vwr {
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namespace bt {
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template <typename T, T... I>
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struct number_seq {
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};
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template <std::size_t... I>
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using index_seq = number_seq<std::size_t, I...>;
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namespace implem {
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template <typename T, T MIN, T MAX, T... I>
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struct range_builder;
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template <typename T, T MIN, T... I>
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struct range_builder<T, MIN, MIN, I...> {
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typedef number_seq<T, I...> type;
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};
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template <typename T, T MIN, T N, T... I>
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struct range_builder : public range_builder<T, MIN, N - 1, N - 1, I...> {
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};
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} //namespace implem
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template <typename T, T MIN, T MAX>
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using number_range = typename implem::range_builder<T, MIN, MAX>::type;
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template <std::size_t MIN, std::size_t MAX>
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using index_range = number_range<std::size_t, MIN, MAX>;
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} //namespace bt
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} //namespace vwr
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#endif
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