update boost

linx64/include/boost/hana/detail/algorithm.hpp

@@ -2,7 +2,7 @@
 @file
 Defines several `constexpr` algorithms.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -18,7 +18,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     // Do not call this swap, otherwise it can get picked up by ADL and conflict
     // with std::swap (see https://github.com/boostorg/hana/issues/297).
     template <typename T>
@@ -181,6 +181,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
                 smallest = first;
         return smallest;
     }
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_ALGORITHM_HPP

linx64/include/boost/hana/detail/any_of.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::any_of`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -16,7 +16,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     std::false_type expand(...);
 
     template <template <typename ...> class Predicate, typename ...T>
@@ -41,6 +41,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
     struct any_of
         : decltype(any_of_impl<Predicate, T...>(int{}))
     { };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_ANY_OF_HPP

linx64/include/boost/hana/detail/array.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::array`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -17,7 +17,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <cstddef>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename N>
     constexpr N factorial(N n) {
         N result = 1;
@@ -100,6 +100,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         return M < N || detail::lexicographical_compare(a.begin(), a.end(), b.begin(), b.end());
     }
 
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_ARRAY_HPP

linx64/include/boost/hana/detail/canonical_constant.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::CanonicalConstant`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -13,7 +13,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/config.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @ingroup group-details
     //! Tag representing a canonical `Constant`.
     //!
@@ -26,7 +26,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
     struct CanonicalConstant {
         using value_type = T;
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 
 #include <boost/hana/concept/constant.hpp>
@@ -37,7 +37,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
     //////////////////////////////////////////////////////////////////////////
     // Constant
     //////////////////////////////////////////////////////////////////////////
@@ -75,6 +75,6 @@ BOOST_HANA_NAMESPACE_BEGIN
     struct IntegralConstant<detail::CanonicalConstant<T>> {
         static constexpr bool value = std::is_integral<T>::value;
     };
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_CANONICAL_CONSTANT_HPP

linx64/include/boost/hana/detail/concepts.hpp

@@ -2,7 +2,7 @@
 @file
 Defines concepts from the Standard library.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -17,7 +17,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @cond
     //////////////////////////////////////////////////////////////////////////
     // EqualityComparable
@@ -73,6 +73,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         >
     { };
     //! @endcond
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_CONCEPTS_HPP

linx64/include/boost/hana/detail/create.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::create`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -14,7 +14,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/detail/decay.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @ingroup group-details
     //! Implementation of the generic `std::make_xxx` pattern for arbitrary
     //! `xxx`s.
@@ -28,6 +28,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
             };
         }
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_CREATE_HPP

linx64/include/boost/hana/detail/decay.hpp

@@ -3,7 +3,7 @@
 Defines a replacement for `std::decay`, which is sometimes too slow at
 compile-time.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -16,7 +16,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @ingroup group-details
     //! Equivalent to `std::decay`, except faster.
     //!
@@ -43,6 +43,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
     struct decay<T, R(A...)> { using type = R(*)(A...); };
     template <typename T, typename R, typename ...A>
     struct decay<T, R(A..., ...)> { using type = R(*)(A..., ...); };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_DECAY_HPP

linx64/include/boost/hana/detail/dispatch_if.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `BOOST_HANA_DISPATCH_IF`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -15,7 +15,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
     struct deleted_implementation {
         template <typename ...T>
         static constexpr auto apply(T&& ...) = delete;
@@ -51,6 +51,6 @@ BOOST_HANA_NAMESPACE_BEGIN
 #else
     #define BOOST_HANA_DISPATCH_IF(IMPL, ...) IMPL
 #endif
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_DISPATCH_IF_HPP

linx64/include/boost/hana/detail/ebo.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::ebo`.
 
-@copyright Louis Dionne 2013-2016
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -105,11 +105,11 @@ namespace _hana {
     { return static_cast<V&&>(x.data_); }
 } // end namespace _hana
 
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
     namespace detail {
         using ::_hana::ebo;
         using ::_hana::ebo_get;
     }
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_EBO_HPP

linx64/include/boost/hana/detail/fast_and.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::fast_and`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -15,11 +15,11 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <bool ...b>
     struct fast_and
-        : std::is_same<fast_and<b...>, fast_and<(b, true)...>>
+        : std::is_same<fast_and<b...>, fast_and<((void) b, true)...>>
     { };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_FAST_AND_HPP

linx64/include/boost/hana/detail/first_unsatisfied_index.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::first_unsatisfied_index`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -17,7 +17,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <bool, typename Pred, typename ...Xs>
     struct find_tail_size;
 
@@ -51,6 +51,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
             >;
         }
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_FIRST_UNSATISFIED_INDEX_HPP

linx64/include/boost/hana/detail/has_common_embedding.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::has_[nontrivial_]common_embedding`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -18,7 +18,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <template <typename...> class Concept, typename T, typename U, typename = void>
     struct has_common_embedding_impl : std::false_type { };
 
@@ -64,6 +64,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
     template <template <typename...> class Concept, typename T, typename U>
     using has_nontrivial_common_embedding =
         typename has_nontrivial_common_embedding_impl<Concept, T, U>::type;
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_HAS_COMMON_EMBEDDING_HPP

linx64/include/boost/hana/detail/has_duplicates.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::has_duplicates`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -18,7 +18,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename T, typename ...U>
     constexpr std::size_t pack_count() {
         std::size_t c = 0;
@@ -60,6 +60,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
             !detail::fast_and<(detail::pack_count<T, T...>() == 1)...>::value
         ;
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_HAS_DUPLICATES_HPP

linx64/include/boost/hana/detail/hash_table.hpp

@@ -2,8 +2,8 @@
 @file
 Defines `boost::hana::detail::hash_table`.
 
-@copyright Louis Dionne 2016
-@copyright Jason Rice 2016
+Copyright Louis Dionne 2016
+Copyright Jason Rice 2016
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -27,7 +27,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Hash, std::size_t ...i>
     struct bucket { };
 
@@ -140,6 +140,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
             bucket<typename decltype(hana::hash(std::declval<KeyAtIndex<i>>()))::type, i>...
         >;
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_HASH_TABLE_HPP

linx64/include/boost/hana/detail/index_if.hpp

@@ -2,8 +2,8 @@
 @file
 Defines `boost::hana::detail::index_if`.
 
-@copyright Louis Dionne 2013-2017
-@copyright Jason Rice 2017
+Copyright Louis Dionne 2013-2022
+Copyright Jason Rice 2017
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -20,7 +20,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <std::size_t i, std::size_t N, bool Done>
     struct index_if_helper;
 
@@ -50,6 +50,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         using type = typename index_if_helper<0, sizeof...(Xs), false>
             ::template f<Pred, Xs...>;
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_INDEX_IF_HPP

linx64/include/boost/hana/detail/integral_constant.hpp

@@ -3,7 +3,7 @@
 Defines the barebones `boost::hana::integral_constant` template, but no
 operations on it.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -17,7 +17,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN
+namespace boost { namespace hana {
     //! Tag representing `hana::integral_constant`.
     //! @relates hana::integral_constant
     template <typename T>
@@ -231,7 +231,11 @@ BOOST_HANA_NAMESPACE_BEGIN
     };
 #else
     template <typename T, T v>
+#ifdef BOOST_HANA_WORKAROUND_MSVC_EMPTYBASE
+    struct __declspec(empty_bases) integral_constant
+#else
     struct integral_constant
+#endif
         : std::integral_constant<T, v>
         , detail::operators::adl<integral_constant<T, v>>
     {
@@ -240,6 +244,6 @@ BOOST_HANA_NAMESPACE_BEGIN
         using hana_tag = integral_constant_tag<T>;
     };
 #endif
-BOOST_HANA_NAMESPACE_END
+}} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_INTEGRAL_CONSTANT_HPP

linx64/include/boost/hana/detail/intrinsics.hpp

@@ -2,7 +2,7 @@
 @file
 Defines macros for commonly used type traits.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */

linx64/include/boost/hana/detail/nested_by.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::nested_by`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -17,7 +17,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/functional/partial.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @cond
     template <typename Algorithm>
     template <typename Predicate, typename Object>
@@ -35,6 +35,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
                              static_cast<Predicate&&>(predicate));
     }
     //! @endcond
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_NESTED_BY_HPP

linx64/include/boost/hana/detail/nested_by_fwd.hpp

@@ -2,7 +2,7 @@
 @file
 Forward declares `boost::hana::detail::nested_by`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -13,7 +13,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/config.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Algorithm>
     struct nested_by_t {
         template <typename Predicate, typename Object>
@@ -50,6 +50,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
 
     template <typename Algorithm>
     constexpr nested_by_t<Algorithm> nested_by<Algorithm>::by;
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_NESTED_BY_FWD_HPP

linx64/include/boost/hana/detail/nested_than.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::nested_than`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -17,13 +17,13 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/functional/partial.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @cond
     template <typename Algorithm>
     template <typename X>
     constexpr decltype(auto) nested_than_t<Algorithm>::operator()(X&& x) const
     { return hana::partial(hana::flip(Algorithm{}), static_cast<X&&>(x)); }
     //! @endcond
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_NESTED_THAN_HPP

linx64/include/boost/hana/detail/nested_than_fwd.hpp

@@ -2,7 +2,7 @@
 @file
 Forward declares `boost::hana::detail::nested_than`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -13,7 +13,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/config.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Algorithm>
     struct nested_than_t {
         template <typename X>
@@ -42,6 +42,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
 
     template <typename Algorithm>
     constexpr nested_than_t<Algorithm> nested_than<Algorithm>::than;
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_NESTED_THAN_FWD_HPP

linx64/include/boost/hana/detail/nested_to.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::nested_to`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -16,13 +16,13 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/functional/partial.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @cond
     template <typename Algorithm>
     template <typename X>
     constexpr decltype(auto) nested_to_t<Algorithm>::operator()(X&& x) const
     { return hana::partial(Algorithm{}, static_cast<X&&>(x)); }
     //! @endcond
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_NESTED_TO_HPP

linx64/include/boost/hana/detail/nested_to_fwd.hpp

@@ -2,7 +2,7 @@
 @file
 Forward declares `boost::hana::detail::nested_to`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -13,7 +13,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/config.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Algorithm>
     struct nested_to_t {
         template <typename X>
@@ -42,6 +42,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
 
     template <typename Algorithm>
     constexpr nested_to_t<Algorithm> nested_to<Algorithm>::to;
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_NESTED_TO_FWD_HPP

linx64/include/boost/hana/detail/operators/adl.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::operators::adl`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -13,7 +13,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/config.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace operators {
+namespace boost { namespace hana { namespace detail { namespace operators {
     //! @ingroup group-details
     //! Enables [ADL](http://en.cppreference.com/w/cpp/language/adl) in the
     //! `hana::detail::operators` namespace.
@@ -29,6 +29,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace operators {
     //! is not a concern, `adl<>` can simply be used.
     template <typename ...>
     struct adl { };
-}} BOOST_HANA_NAMESPACE_END
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_OPERATORS_ADL_HPP

linx64/include/boost/hana/detail/operators/arithmetic.hpp

@@ -2,7 +2,7 @@
 @file
 Defines arithmetic operators.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -22,7 +22,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Tag>
     struct arithmetic_operators {
         static constexpr bool value = false;
@@ -73,6 +73,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         constexpr auto operator%(X&& x, Y&& y)
         { return hana::mod(static_cast<X&&>(x), static_cast<Y&&>(y)); }
     } // end namespace operators
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_OPERATORS_ARITHMETIC_HPP

linx64/include/boost/hana/detail/operators/comparable.hpp

@@ -2,7 +2,7 @@
 @file
 Defines operators for Comparables.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -18,7 +18,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Tag>
     struct comparable_operators {
         static constexpr bool value = false;
@@ -26,19 +26,27 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
 
     namespace operators {
         template <typename X, typename Y, typename = typename std::enable_if<
-            detail::comparable_operators<typename hana::tag_of<X>::type>::value ||
-            detail::comparable_operators<typename hana::tag_of<Y>::type>::value
+            !detail::has_idempotent_tag<X>::value &&
+            !detail::has_idempotent_tag<Y>::value &&
+            (detail::comparable_operators<
+                typename hana::tag_of<X>::type>::value ||
+             detail::comparable_operators<
+                typename hana::tag_of<Y>::type>::value)
         >::type>
         constexpr auto operator==(X&& x, Y&& y)
         { return hana::equal(static_cast<X&&>(x), static_cast<Y&&>(y)); }
 
         template <typename X, typename Y, typename = typename std::enable_if<
-            detail::comparable_operators<typename hana::tag_of<X>::type>::value ||
-            detail::comparable_operators<typename hana::tag_of<Y>::type>::value
+            !detail::has_idempotent_tag<X>::value &&
+            !detail::has_idempotent_tag<Y>::value &&
+            (detail::comparable_operators<
+                typename hana::tag_of<X>::type>::value ||
+             detail::comparable_operators<
+                typename hana::tag_of<Y>::type>::value)
         >::type>
         constexpr auto operator!=(X&& x, Y&& y)
         { return hana::not_equal(static_cast<X&&>(x), static_cast<Y&&>(y)); }
     } // end namespace operators
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_OPERATORS_COMPARABLE_HPP

linx64/include/boost/hana/detail/operators/iterable.hpp

@@ -2,7 +2,7 @@
 @file
 Defines operators for Iterables.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -14,7 +14,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/fwd/at.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Derived>
     struct iterable_operators {
         template <typename N>
@@ -35,6 +35,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
                             static_cast<N&&>(n));
         }
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_OPERATORS_ITERABLE_HPP

linx64/include/boost/hana/detail/operators/logical.hpp

@@ -2,7 +2,7 @@
 @file
 Defines logical operators.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -19,7 +19,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Tag>
     struct logical_operators {
         static constexpr bool value = false;
@@ -46,6 +46,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         constexpr auto operator!(X&& x)
         { return hana::not_(static_cast<X&&>(x)); }
     } // end namespace operators
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_OPERATORS_LOGICAL_HPP

linx64/include/boost/hana/detail/operators/monad.hpp

@@ -2,7 +2,7 @@
 @file
 Defines operators for Monads.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -17,7 +17,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Tag>
     struct monad_operators {
         static constexpr bool value = false;
@@ -30,6 +30,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         constexpr auto operator|(Xs&& xs, F&& f)
         { return hana::chain(static_cast<Xs&&>(xs), static_cast<F&&>(f)); }
     } // end namespace operators
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_OPERATORS_MONAD_HPP

linx64/include/boost/hana/detail/operators/orderable.hpp

@@ -2,7 +2,7 @@
 @file
 Defines operators for Orderables.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -20,7 +20,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Tag>
     struct orderable_operators {
         static constexpr bool value = false;
@@ -55,6 +55,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         constexpr auto operator>=(X&& x, Y&& y)
         { return hana::greater_equal(static_cast<X&&>(x), static_cast<Y&&>(y)); }
     } // end namespace operators
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_OPERATORS_ORDERABLE_HPP

linx64/include/boost/hana/detail/operators/searchable.hpp

@@ -2,7 +2,7 @@
 @file
 Defines operators for Searchables.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -14,7 +14,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/fwd/at_key.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename Derived>
     struct searchable_operators {
         template <typename Key>
@@ -35,6 +35,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
                                 static_cast<Key&&>(key));
         }
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_OPERATORS_SEARCHABLE_HPP

linx64/include/boost/hana/detail/preprocessor.hpp

@@ -2,7 +2,7 @@
 @file
 Defines generally useful preprocessor macros.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -22,7 +22,12 @@ Distributed under the Boost Software License, Version 1.0.
 
 //! @ingroup group-details
 //! Expands to its first argument.
+#ifdef BOOST_HANA_WORKAROUND_MSVC_PREPROCESSOR_616033
+#define BOOST_HANA_PP_FRONT(...) BOOST_HANA_PP_FRONT_IMPL_I(__VA_ARGS__)
+#define BOOST_HANA_PP_FRONT_IMPL_I(...) BOOST_HANA_PP_CONCAT(BOOST_HANA_PP_FRONT_IMPL(__VA_ARGS__, ),)
+#else
 #define BOOST_HANA_PP_FRONT(...) BOOST_HANA_PP_FRONT_IMPL(__VA_ARGS__, )
+#endif
 #define BOOST_HANA_PP_FRONT_IMPL(e0, ...) e0
 
 //! @ingroup group-details

linx64/include/boost/hana/detail/std_common_type.hpp

@@ -2,7 +2,7 @@
 @file
 Defines a SFINAE-friendly version of `std::common_type`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -16,7 +16,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @ingroup group-details
     //! Equivalent to `std::common_type`, except it is SFINAE-friendly and
     //! does not support custom specializations.
@@ -31,6 +31,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
             decltype(true ? std::declval<T>() : std::declval<U>())
         >::type;
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_STD_COMMON_TYPE_HPP

linx64/include/boost/hana/detail/type_at.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::type_at`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -23,7 +23,7 @@ Distributed under the Boost Software License, Version 1.0.
 #   endif
 #endif
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     namespace td {
         template <std::size_t I, typename T>
         struct elt { using type = T; };
@@ -52,6 +52,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         using type = typename decltype(td::get_elt<n>(Indexer{}))::type;
 #endif
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_TYPE_AT_HPP

linx64/include/boost/hana/detail/type_foldl1.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::type_foldl1`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -13,7 +13,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/config.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <unsigned n>
     struct type_foldl1_t;
 
@@ -140,6 +140,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         using type = typename type_foldl1_t<(sizeof...(xn) > 6 ? 6 : sizeof...(xn))>
                      ::template result<f, x1, xn...>;
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_TYPE_FOLDL1_HPP

linx64/include/boost/hana/detail/type_foldr1.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::type_foldr1`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -13,7 +13,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/config.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <unsigned n>
     struct type_foldr1_t;
 
@@ -144,6 +144,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         using type = typename type_foldr1_t<(sizeof...(xn) > 6 ? 6 : sizeof...(xn))>
                      ::template result<f, x1, xn...>;
     };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_TYPE_FOLDR1_HPP

linx64/include/boost/hana/detail/unpack_flatten.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::unpack_flatten`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -21,7 +21,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <std::size_t ...Lengths>
     struct flatten_indices {
         // avoid empty arrays by appending 0 to `lengths`
@@ -65,6 +65,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
         return Indices::apply(static_cast<Xs&&>(xs), static_cast<F&&>(f),
                         std::make_index_sequence<Indices::flat_length>{});
     }
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_UNPACK_FLATTEN_HPP

linx64/include/boost/hana/detail/variadic/at.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::at`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -16,7 +16,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
+namespace boost { namespace hana { namespace detail { namespace variadic {
     template <std::size_t n, typename = std::make_index_sequence<n>>
     struct at_type;
 
@@ -34,7 +34,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
     };
 
     template <std::size_t n>
-    constexpr at_type<n> at{};
-}} BOOST_HANA_NAMESPACE_END
+    BOOST_HANA_INLINE_VARIABLE constexpr at_type<n> at{};
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_AT_HPP

linx64/include/boost/hana/detail/variadic/drop_into.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::drop_into`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -16,7 +16,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
+namespace boost { namespace hana { namespace detail { namespace variadic {
     template <std::size_t n, typename F, typename = std::make_index_sequence<n>>
     struct dropper;
 
@@ -41,7 +41,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
     };
 
     template <std::size_t n>
-    constexpr make_dropper<n> drop_into{};
-}} BOOST_HANA_NAMESPACE_END
+    BOOST_HANA_INLINE_VARIABLE constexpr make_dropper<n> drop_into{};
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_DROP_INTO_HPP

linx64/include/boost/hana/detail/variadic/foldl1.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::foldl1`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -14,7 +14,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/core/when.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
+namespace boost { namespace hana { namespace detail { namespace variadic {
     //! @cond
     template <unsigned int n, typename = when<true>>
     struct foldl1_impl;
@@ -207,8 +207,8 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
         }
     };
 
-    constexpr foldl1_t foldl1{};
-    constexpr auto foldl = foldl1;
-}} BOOST_HANA_NAMESPACE_END
+    BOOST_HANA_INLINE_VARIABLE constexpr foldl1_t foldl1{};
+    BOOST_HANA_INLINE_VARIABLE constexpr auto foldl = foldl1;
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_FOLDL1_HPP

linx64/include/boost/hana/detail/variadic/foldr1.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::foldr1`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -14,7 +14,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/core/when.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
+namespace boost { namespace hana { namespace detail { namespace variadic {
     //! @cond
     template <unsigned int n, typename = when<true>>
     struct foldr1_impl;
@@ -193,7 +193,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
         }
     };
 
-    constexpr foldr1_t foldr1{};
+    BOOST_HANA_INLINE_VARIABLE constexpr foldr1_t foldr1{};
 
     struct foldr_t {
         template <typename F, typename State, typename ...Xn>
@@ -204,7 +204,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
         }
     };
 
-    constexpr foldr_t foldr{};
-}} BOOST_HANA_NAMESPACE_END
+    BOOST_HANA_INLINE_VARIABLE constexpr foldr_t foldr{};
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_FOLDR1_HPP

linx64/include/boost/hana/detail/variadic/reverse_apply.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::reverse_apply`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -14,14 +14,14 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/detail/variadic/reverse_apply/unrolled.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
-    BOOST_HANA_CONSTEXPR_LAMBDA auto reverse_apply =
+namespace boost { namespace hana { namespace detail { namespace variadic {
+    BOOST_HANA_INLINE_VARIABLE BOOST_HANA_CONSTEXPR_LAMBDA auto reverse_apply =
         [](auto&& f, auto&& ...x) -> decltype(auto) {
             return detail::variadic::reverse_apply_unrolled(
-                static_cast<decltype(f)&&>(f),
-                static_cast<decltype(x)&&>(x)...
+                static_cast<decltype(f)>(f),
+                static_cast<decltype(x)>(x)...
             );
         };
-}} BOOST_HANA_NAMESPACE_END
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_REVERSE_APPLY_HPP

linx64/include/boost/hana/detail/variadic/reverse_apply/flat.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::reverse_apply_flat`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -16,7 +16,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <utility>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
+namespace boost { namespace hana { namespace detail { namespace variadic {
     template <int ...i, typename F, typename ...X>
     constexpr decltype(auto)
     reverse_apply_flat_helper(std::integer_sequence<int, i...>, F&& f, X&& ...x)
@@ -36,6 +36,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
             static_cast<X&&>(x)...
         );
     }
-}} BOOST_HANA_NAMESPACE_END
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_REVERSE_APPLY_FLAT_HPP

linx64/include/boost/hana/detail/variadic/reverse_apply/unrolled.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::reverse_apply_unrolled`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -14,7 +14,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/functional/reverse_partial.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
+namespace boost { namespace hana { namespace detail { namespace variadic {
     struct reverse_apply_unrolled_impl {
         template <typename F>
         constexpr decltype(auto) operator()(F&& f) const {
@@ -80,8 +80,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
         }
     };
 
-    constexpr reverse_apply_unrolled_impl reverse_apply_unrolled{};
-
-}} BOOST_HANA_NAMESPACE_END
+    BOOST_HANA_INLINE_VARIABLE constexpr reverse_apply_unrolled_impl reverse_apply_unrolled{};
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_REVERSE_APPLY_UNROLLED_HPP

linx64/include/boost/hana/detail/variadic/split_at.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::split_at`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -17,7 +17,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <cstddef>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
+namespace boost { namespace hana { namespace detail { namespace variadic {
     template <std::size_t n>
     struct split_at_t {
         template <typename F, typename X1, typename X2, typename X3, typename X4, typename X5, typename X6, typename X7, typename X8, typename ...Xs>
@@ -147,7 +147,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
     };
 
     template <std::size_t n>
-    constexpr _makesplit_at_t<n> split_at{};
-}} BOOST_HANA_NAMESPACE_END
+    BOOST_HANA_INLINE_VARIABLE constexpr _makesplit_at_t<n> split_at{};
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_SPLIT_AT_HPP

linx64/include/boost/hana/detail/variadic/take.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::variadic::take`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -18,7 +18,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <cstddef>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
+namespace boost { namespace hana { namespace detail { namespace variadic {
     struct take_impl2 {
         template <typename F, typename ...Xs>
         constexpr decltype(auto) operator()(F&& f, Xs&& ...xs) const {
@@ -45,7 +45,7 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
     };
 
     template <std::size_t n>
-    constexpr take_t<n> take{};
-}} BOOST_HANA_NAMESPACE_END
+    BOOST_HANA_INLINE_VARIABLE constexpr take_t<n> take{};
+}} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VARIADIC_TAKE_HPP

linx64/include/boost/hana/detail/void_t.hpp

@@ -2,7 +2,7 @@
 @file
 Defines an equivalent to the proposed `std::void_t`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -13,9 +13,9 @@ Distributed under the Boost Software License, Version 1.0.
 #include <boost/hana/config.hpp>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     template <typename ...>
     using void_t = void;
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_VOID_T_HPP

linx64/include/boost/hana/detail/wrong.hpp

@@ -2,7 +2,7 @@
 @file
 Defines `boost::hana::detail::wrong`.
 
-@copyright Louis Dionne 2013-2017
+Copyright Louis Dionne 2013-2022
 Distributed under the Boost Software License, Version 1.0.
 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  */
@@ -15,7 +15,7 @@ Distributed under the Boost Software License, Version 1.0.
 #include <type_traits>
 
 
-BOOST_HANA_NAMESPACE_BEGIN namespace detail {
+namespace boost { namespace hana { namespace detail {
     //! @ingroup group-detail
     //! Equivalent to a type-dependent `std::false_type`.
     //!
@@ -28,6 +28,6 @@ BOOST_HANA_NAMESPACE_BEGIN namespace detail {
     //! @include example/detail/wrong.cpp
     template <typename ...>
     struct wrong : std::false_type { };
-} BOOST_HANA_NAMESPACE_END
+} }} // end namespace boost::hana
 
 #endif // !BOOST_HANA_DETAIL_WRONG_HPP