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https://github.com/bolero-MURAKAMI/Sprout.git
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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_INDEX_TUPLE_INTEGER_SEQUENCE_HPP
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#define SPROUT_INDEX_TUPLE_INTEGER_SEQUENCE_HPP
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#include <sprout/config.hpp>
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#include <sprout/workaround/std/cstddef.hpp>
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namespace sprout {
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//
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// integer_sequence
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//
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template<typename T, T... Is>
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struct integer_sequence {
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public:
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typedef integer_sequence type;
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template<T... J>
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struct rebind
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: public integer_sequence<T, J...>
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{};
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public:
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static SPROUT_CONSTEXPR type make() SPROUT_NOEXCEPT {
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return type();
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}
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public:
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typedef T value_type;
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template<typename Seq>
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struct transfer
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: public Seq::template rebind<Is...>
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{};
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public:
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SPROUT_STATIC_CONSTEXPR std::size_t static_size = sizeof...(Is);
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public:
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static SPROUT_CONSTEXPR size_t size() SPROUT_NOEXCEPT {
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return static_size;
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}
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};
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template<typename T, T... Is>
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SPROUT_CONSTEXPR_OR_CONST std::size_t sprout::integer_sequence<T, Is...>::static_size;
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} // namespace sprout
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#endif // #ifndef SPROUT_INDEX_TUPLE_INTEGER_SEQUENCE_HPP
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