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65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
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/*
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* Copyright (c) 2013-2014, Roland Bock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SQLPP_DETAIL_INDEX_SEQUENCE_H
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#define SQLPP_DETAIL_INDEX_SEQUENCE_H
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#include <type_traits>
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namespace sqlpp
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{
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namespace detail
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{
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// Note: This is a minimalistic implementation of index_sequence available in C++14
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// It should be replaced once the project is moved to C++14 or beyond
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template<std::size_t... Ints>
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struct index_sequence
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{};
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template<typename T, std::size_t N>
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struct make_index_sequence_impl;
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template<std::size_t N, std::size_t... Ints>
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struct make_index_sequence_impl<index_sequence<Ints...>, N>
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{
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using type = typename make_index_sequence_impl<index_sequence<Ints..., sizeof...(Ints)>, N - 1>::type;
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};
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template<std::size_t... Ints>
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struct make_index_sequence_impl<index_sequence<Ints...>, 0>
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{
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using type = index_sequence<Ints...>;
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};
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template<std::size_t N>
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using make_index_sequence = typename make_index_sequence_impl<index_sequence<>, N>::type;
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}
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}
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#endif
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