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Diffstat (limited to 'src/third_party/boost-1.69.0/boost/fusion/tuple/tuple.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/fusion/tuple/tuple.hpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/fusion/tuple/tuple.hpp b/src/third_party/boost-1.69.0/boost/fusion/tuple/tuple.hpp new file mode 100644 index 00000000000..16b855113c8 --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/fusion/tuple/tuple.hpp @@ -0,0 +1,127 @@ +/*============================================================================= + Copyright (c) 2014-2015 Kohei Takahashi + + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +==============================================================================*/ +#ifndef FUSION_TUPLE_14122014_0102 +#define FUSION_TUPLE_14122014_0102 + +#include <boost/fusion/support/config.hpp> +#include <boost/fusion/tuple/tuple_fwd.hpp> + +/////////////////////////////////////////////////////////////////////////////// +// With no variadics, we will use the C++03 version +/////////////////////////////////////////////////////////////////////////////// +#if !defined(BOOST_FUSION_HAS_VARIADIC_TUPLE) +# include <boost/fusion/tuple/detail/tuple.hpp> +#else + +/////////////////////////////////////////////////////////////////////////////// +// C++11 interface +/////////////////////////////////////////////////////////////////////////////// +#include <boost/core/enable_if.hpp> +#include <boost/fusion/container/vector/vector.hpp> +#include <boost/fusion/sequence/intrinsic/size.hpp> +#include <boost/fusion/sequence/intrinsic/value_at.hpp> +#include <boost/fusion/sequence/intrinsic/at.hpp> +#include <boost/fusion/sequence/comparison.hpp> +#include <boost/fusion/sequence/io.hpp> +#include <boost/fusion/support/detail/and.hpp> +#include <boost/type_traits/is_convertible.hpp> +#include <utility> + +namespace boost { namespace fusion +{ + template <typename ...T> + struct tuple + : vector_detail::vector_data< + typename detail::make_index_sequence<sizeof...(T)>::type + , T... + > + { + typedef vector_detail::vector_data< + typename detail::make_index_sequence<sizeof...(T)>::type + , T... + > base; + + BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED + BOOST_DEFAULTED_FUNCTION(tuple(), {}) + + template < + typename ...U + , typename = typename boost::enable_if_c< + sizeof...(U) >= sizeof...(T) + >::type + > + BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED + tuple(tuple<U...> const& other) + : base(vector_detail::each_elem(), other) {} + + template < + typename ...U + , typename = typename boost::enable_if_c< + sizeof...(U) >= sizeof...(T) + >::type + > + BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED + tuple(tuple<U...>&& other) + : base(vector_detail::each_elem(), std::move(other)) {} + + template < + typename ...U + , typename = typename boost::enable_if_c<( + fusion::detail::and_<is_convertible<U, T>...>::value && + sizeof...(U) >= 1 + )>::type + > + /*BOOST_CONSTEXPR*/ BOOST_FUSION_GPU_ENABLED + explicit + tuple(U&&... args) + : base(vector_detail::each_elem(), std::forward<U>(args)...) {} + + template<typename U1, typename U2> + BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED + tuple(std::pair<U1, U2> const& other) + : base(vector_detail::each_elem(), other.first, other.second) {} + + template<typename U1, typename U2> + BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED + tuple(std::pair<U1, U2>&& other) + : base(vector_detail::each_elem(), std::move(other.first), std::move(other.second)) {} + + template<typename U> + BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED + tuple& operator=(U&& rhs) + { + base::assign_sequence(std::forward<U>(rhs)); + return *this; + } + }; + + template <typename Tuple> + struct tuple_size : result_of::size<Tuple> {}; + + template <int N, typename Tuple> + struct tuple_element : result_of::value_at_c<Tuple, N> {}; + + template <int N, typename Tuple> + BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED + inline typename result_of::at_c<Tuple, N>::type + get(Tuple& tup) + { + return at_c<N>(tup); + } + + template <int N, typename Tuple> + BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED + inline typename result_of::at_c<Tuple const, N>::type + get(Tuple const& tup) + { + return at_c<N>(tup); + } +}} + +#endif +#endif + |