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Diffstat (limited to 'src/third_party/boost-1.69.0/boost/fusion/support/detail/index_sequence.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/fusion/support/detail/index_sequence.hpp | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/src/third_party/boost-1.69.0/boost/fusion/support/detail/index_sequence.hpp b/src/third_party/boost-1.69.0/boost/fusion/support/detail/index_sequence.hpp deleted file mode 100644 index e86def005e1..00000000000 --- a/src/third_party/boost-1.69.0/boost/fusion/support/detail/index_sequence.hpp +++ /dev/null @@ -1,79 +0,0 @@ -/*============================================================================= - Copyright (c) 2015 Agustin K-ballo Berge - Copyright (c) 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 BOOST_FUSION_SUPPORT_DETAIL_INDEX_SEQUENCE_06232015_1038 -#define BOOST_FUSION_SUPPORT_DETAIL_INDEX_SEQUENCE_06232015_1038 - -#include <boost/fusion/support/config.hpp> -#include <cstddef> - -// GCC5 has O(logN) implementation, see https://gcc.gnu.org/PR66059 . -#if (defined(__cpp_lib_integer_sequence) && __cpp_lib_integer_sequence >= 201304) \ - || (defined(BOOST_LIBSTDCXX_VERSION) \ - && BOOST_LIBSTDCXX_VERSION >= 500000 && __cplusplus >= 201402) -#include <utility> -#define BOOST_FUSION_STDLIB_HAS_INTEGER_SEQUENCE -#endif - -namespace boost { namespace fusion { namespace detail -{ -#ifdef BOOST_FUSION_STDLIB_HAS_INTEGER_SEQUENCE - // Use aliasing templates without checking availability, the compiler should work. - template <std::size_t ...Ints> - using index_sequence = std::index_sequence<Ints...>; - - template <std::size_t N> - struct make_index_sequence - { - using type = std::make_index_sequence<N>; - }; -#else - template <std::size_t ...Ints> - struct index_sequence - { - typedef std::size_t value_type; - - BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED - static std::size_t size() BOOST_NOEXCEPT - { return sizeof...(Ints); } - - // non standard extension - typedef index_sequence type; - }; - - template <typename Left, typename Right> - struct _make_index_sequence_join; - - template <std::size_t... Left, std::size_t... Right> - struct _make_index_sequence_join< - index_sequence<Left...>, index_sequence<Right...> - > : index_sequence<Left..., (sizeof...(Left) + Right)...> - {}; - - template <std::size_t N> - struct make_index_sequence - : _make_index_sequence_join< - typename make_index_sequence<N / 2>::type - , typename make_index_sequence<N - N / 2>::type - > - {}; - - template <> - struct make_index_sequence<1> - : index_sequence<0> - {}; - - template <> - struct make_index_sequence<0> - : index_sequence<> - {}; -#endif -}}} - -#endif - |