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https://github.com/bolero-MURAKAMI/Sprout.git
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51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2014 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_TUPLE_TUPLE_TUPLE_SIZE_HPP
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#define SPROUT_TUPLE_TUPLE_TUPLE_SIZE_HPP
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#include <tuple>
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#include <sprout/config.hpp>
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#include <sprout/workaround/std/cstddef.hpp>
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#include <sprout/type_traits/detail/type_traits_wrapper.hpp>
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namespace sprout {
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namespace tuples {
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//
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// tuple_size
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//
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template<typename T>
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struct tuple_size
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: public sprout::detail::type_traits_wrapper<std::tuple_size<T> >
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{};
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template<typename T>
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struct tuple_size<T const>
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: public sprout::tuples::tuple_size<T>
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{};
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template<typename T>
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struct tuple_size<T volatile>
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: public sprout::tuples::tuple_size<T>
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{};
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template<typename T>
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struct tuple_size<T const volatile>
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: public sprout::tuples::tuple_size<T>
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{};
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} // namespace tuples
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using sprout::tuples::tuple_size;
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#if SPROUT_USE_VARIABLE_TEMPLATES
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namespace tuples {
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template<typename T>
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SPROUT_STATIC_CONSTEXPR std::size_t tuple_size_v = sprout::tuples::tuple_size<T>::value;
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} // namespace tuples
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using sprout::tuples::tuple_size_v;
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#endif // #if SPROUT_USE_VARIABLE_TEMPLATES
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} // namespace sprout
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#endif // #ifndef SPROUT_TUPLE_TUPLE_TUPLE_SIZE_HPP
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