Test output: teeks99-dkr-mg12 - hana - test~map~at_key~collisions / gcc-12~c++17
Rev 7e09330c84621efd22370bf57289b67c7283ee21 / Sat, 16 Nov 2024 09:26:04 +0000
Compile [2024-11-16 12:16:25 UTC]: fail


    "g++-12"   -fvisibility-inlines-hidden -std=c++17 -fPIC -m64 -pthread -O0 -fno-inline -Wall -fvisibility=hidden  -DBOOST_ALL_NO_LIB=1 -DBOOST_COBALT_USE_STD_PMR=1   -I".." -I"../libs/hana/test/_include" -I"/var/boost/run/boost_root/libs/assert/include" -I"/var/boost/run/boost_root/libs/core/include" -I"/var/boost/run/boost_root/libs/hana/include" -I"/var/boost/run/boost_root/libs/throw_exception/include" -I"/var/boost/run/boost_root/libs/tuple/include"  -c -o "/var/boost/run/results/boost/bin.v2/libs/hana/test/test~map~at_key~collisions.test/gcc-12~c++17/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/map/at_key.collisions.o" "../libs/hana/test/map/at_key.collisions.cpp"

In file included from ../boost/hana/detail/operators/logical.hpp:16,
                 from ../boost/hana/bool.hpp:21,
                 from ../boost/hana/eval_if.hpp:15,
                 from ../boost/hana/concept/logical.hpp:19,
                 from ../boost/hana/if.hpp:15,
                 from ../boost/hana/assert.hpp:16,
                 from ../libs/hana/test/map/at_key.collisions.cpp:5:
../boost/hana/fwd/not.hpp: In instantiation of 'struct boost::hana::not_impl<boost::hana::integral_constant_tag<bool>, void>':
../boost/hana/core/default.hpp:26:9:   required by substitution of 'template<class Method> struct boost::hana::is_default<Method, decltype ((void)(static_cast<boost::hana::default_>((*(Method*)(0)))))> [with Method = boost::hana::not_impl<boost::hana::integral_constant_tag<bool>, void>]'
../boost/hana/concept/logical.hpp:29:62:   required from 'struct boost::hana::Logical<boost::hana::integral_constant_tag<bool> >'
../boost/hana/not.hpp:30:15:   required from 'constexpr decltype(auto) boost::hana::not_t::operator()(X&&) const [with X = boost::hana::integral_constant<bool, false>]'
../libs/hana/test/map/at_key.collisions.cpp:59:5:   required from here
../boost/hana/fwd/not.hpp:36:12: error: ambiguous template instantiation for 'struct boost::hana::not_impl<boost::hana::integral_constant_tag<bool>, boost::hana::when<true> >'
   36 |     struct not_impl : not_impl<L, when<true>> { };
      |            ^~~~~~~~
In file included from ../boost/hana/concept/logical.hpp:20:
../boost/hana/not.hpp:44:12: note: candidates are: 'template<class L, bool condition> struct boost::hana::not_impl<L, boost::hana::when<condition> > [with L = boost::hana::integral_constant_tag<bool>; bool condition = true]'
   44 |     struct not_impl<L, when<condition>> : hana::default_ {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/not.hpp:65:12: note:                 'template<class C> struct boost::hana::not_impl<C, boost::hana::when<(boost::hana::Constant<C>::value && boost::hana::Logical<typename C::value_type>::value)> > [with C = boost::hana::integral_constant_tag<bool>]'
   65 |     struct not_impl<C, hana::when<
      |            ^~~~~~~~~~~~~~~~~~~~~~~
   66 |         hana::Constant<C>::value &&
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~
   67 |         hana::Logical<typename C::value_type>::value
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   68 |     >> {
      |     ~~      
../boost/hana/fwd/not.hpp:36:12: error: invalid use of incomplete type 'struct boost::hana::not_impl<boost::hana::integral_constant_tag<bool>, boost::hana::when<true> >'
   36 |     struct not_impl : not_impl<L, when<true>> { };
      |            ^~~~~~~~
../boost/hana/fwd/not.hpp:36:12: note: declaration of 'struct boost::hana::not_impl<boost::hana::integral_constant_tag<bool>, boost::hana::when<true> >'
In file included from ../boost/hana/while.hpp:13,
                 from ../boost/hana/concept/logical.hpp:21:
../boost/hana/fwd/while.hpp: In instantiation of 'struct boost::hana::while_impl<boost::hana::integral_constant_tag<bool>, void>':
../boost/hana/core/default.hpp:26:9:   required by substitution of 'template<class Method> struct boost::hana::is_default<Method, decltype ((void)(static_cast<boost::hana::default_>((*(Method*)(0)))))> [with Method = boost::hana::while_impl<boost::hana::integral_constant_tag<bool>, void>]'
../boost/hana/concept/logical.hpp:30:64:   required from 'struct boost::hana::Logical<boost::hana::integral_constant_tag<bool> >'
../boost/hana/not.hpp:30:15:   required from 'constexpr decltype(auto) boost::hana::not_t::operator()(X&&) const [with X = boost::hana::integral_constant<bool, false>]'
../libs/hana/test/map/at_key.collisions.cpp:59:5:   required from here
../boost/hana/fwd/while.hpp:60:12: error: ambiguous template instantiation for 'struct boost::hana::while_impl<boost::hana::integral_constant_tag<bool>, boost::hana::when<true> >'
   60 |     struct while_impl : while_impl<L, when<true>> { };
      |            ^~~~~~~~~~
../boost/hana/while.hpp:49:12: note: candidates are: 'template<class L, bool condition> struct boost::hana::while_impl<L, boost::hana::when<condition> > [with L = boost::hana::integral_constant_tag<bool>; bool condition = true]'
   49 |     struct while_impl<L, hana::when<condition>> : hana::default_ {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/while.hpp:76:12: note:                 'template<class C> struct boost::hana::while_impl<C, boost::hana::when<(boost::hana::Constant<C>::value && boost::hana::Logical<typename C::value_type>::value)> > [with C = boost::hana::integral_constant_tag<bool>]'
   76 |     struct while_impl<C, hana::when<
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~
   77 |         hana::Constant<C>::value &&
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~
   78 |         hana::Logical<typename C::value_type>::value
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   79 |     >> {
      |     ~~      
../boost/hana/fwd/while.hpp:60:12: error: invalid use of incomplete type 'struct boost::hana::while_impl<boost::hana::integral_constant_tag<bool>, boost::hana::when<true> >'
   60 |     struct while_impl : while_impl<L, when<true>> { };
      |            ^~~~~~~~~~
../boost/hana/fwd/while.hpp:60:12: note: declaration of 'struct boost::hana::while_impl<boost::hana::integral_constant_tag<bool>, boost::hana::when<true> >'
../boost/hana/not.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::not_t::operator()(X&&) const [with X = boost::hana::integral_constant<bool, false>]':
../libs/hana/test/map/at_key.collisions.cpp:59:5:   required from here
../boost/hana/not.hpp:39:26: error: 'apply' is not a member of 'Not' {aka 'boost::hana::not_impl<boost::hana::integral_constant_tag<bool>, void>'}
   39 |         return Not::apply(static_cast<X&&>(x));
      |                ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp: In function 'int main()':
../boost/hana/assert.hpp:227:9: error: template argument 1 is invalid
  227 |         >::value,                                                           \
      |         ^
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:59:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
   59 |     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::equal(key1, key2)));
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/assert.hpp:232:10: error: no matching function for call to 'value<<expression error> >()'
  230 |         static_assert(::boost::hana::value<                                 \
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  231 |             decltype(BOOST_HANA_PP_CONCAT(__hana_tmp_, __LINE__))           \
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  232 |         >(), message);                                                      \
      |         ~^~
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:59:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
   59 |     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::equal(key1, key2)));
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../boost/hana/concept/constant.hpp:19,
                 from ../boost/hana/assert.hpp:13:
../boost/hana/value.hpp:31:30: note: candidate: 'template<class T> constexpr decltype(auto) boost::hana::value()'
   31 |     constexpr decltype(auto) value() {
      |                              ^~~~~
../boost/hana/value.hpp:31:30: note:   template argument deduction/substitution failed:
../boost/hana/assert.hpp:232:10: error: template argument 1 is invalid
  230 |         static_assert(::boost::hana::value<                                 \
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  231 |             decltype(BOOST_HANA_PP_CONCAT(__hana_tmp_, __LINE__))           \
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  232 |         >(), message);                                                      \
      |         ~^~
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:59:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
   59 |     BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::equal(key1, key2)));
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../boost/hana/value.hpp:13:
../boost/hana/fwd/value.hpp:65:30: note: candidate: 'template<class T> constexpr decltype(auto) boost::hana::value(const T&)'
   65 |     constexpr decltype(auto) value(T const&)
      |                              ^~~~~
../boost/hana/fwd/value.hpp:65:30: note:   candidate expects 1 argument, 0 provided
In file included from ../boost/hana/any_of.hpp:13,
                 from ../boost/hana/concept/searchable.hpp:15,
                 from ../boost/hana/at_key.hpp:18,
                 from ../libs/hana/test/map/at_key.collisions.cpp:6:
../boost/hana/fwd/any_of.hpp: In instantiation of 'struct boost::hana::any_of_impl<boost::hana::ext::std::integer_sequence_tag, void>':
../boost/hana/core/default.hpp:26:9:   required by substitution of 'template<class Method> struct boost::hana::is_default<Method, decltype ((void)(static_cast<boost::hana::default_>((*(Method*)(0)))))> [with Method = boost::hana::any_of_impl<boost::hana::ext::std::integer_sequence_tag, void>]'
../boost/hana/concept/searchable.hpp:27:65:   required from 'struct boost::hana::Searchable<boost::hana::ext::std::integer_sequence_tag>'
../boost/hana/find_if.hpp:39:15:   required from 'constexpr auto boost::hana::find_if_t::operator()(Xs&&, Pred&&) const [with Xs = std::integer_sequence<long unsigned int>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<> >::apply, A&>]'
../boost/hana/detail/hash_table.hpp:70:44:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int>, A&, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<> >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<>, A&, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<> >::apply>'
../boost/hana/map.hpp:312:19:   [ skipping 8 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
../boost/hana/unpack.hpp:47:29:   required from 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> >; F = boost::hana::detail::variadic_foldl1<const boost::hana::insert_t&, boost::hana::detail::map_impl<boost::hana::detail::hash_table<>, boost::hana::basic_tuple<> > >]'
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::hana::tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> >; S = boost::hana::detail::map_impl<boost::hana::detail::hash_table<>, boost::hana::basic_tuple<> >; F = const boost::hana::insert_t&; T = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> >; State = boost::hana::detail::map_impl<boost::hana::detail::hash_table<>, boost::hana::basic_tuple<> >; F = const boost::hana::insert_t&]'
../boost/hana/map.hpp:570:35:   required from 'static constexpr decltype(auto) boost::hana::to_impl<boost::hana::map_tag, F, boost::hana::when<boost::hana::Foldable<T>::value> >::apply(Xs&&) [with Xs = boost::hana::tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> >; F = boost::hana::tuple_tag]'
../boost/hana/core/to.hpp:78:40:   required from 'constexpr decltype(auto) boost::hana::to_t<To>::operator()(X&&) const [with X = boost::hana::tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> >; To = boost::hana::map_tag]'
../libs/hana/test/map/at_key.collisions.cpp:65:32:   required from here
../boost/hana/fwd/any_of.hpp:42:12: error: ambiguous template instantiation for 'struct boost::hana::any_of_impl<boost::hana::ext::std::integer_sequence_tag, boost::hana::when<true> >'
   42 |     struct any_of_impl : any_of_impl<S, when<true>> { };
      |            ^~~~~~~~~~~
../boost/hana/any_of.hpp:53:12: note: candidates are: 'template<class S, bool condition> struct boost::hana::any_of_impl<S, boost::hana::when<condition> > [with S = boost::hana::ext::std::integer_sequence_tag; bool condition = true]'
   53 |     struct any_of_impl<S, when<condition>> : default_ {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/any_of.hpp:105:12: note:                 'template<class It> struct boost::hana::any_of_impl<It, boost::hana::when<(boost::hana::Iterable<It>::value && (! boost::hana::Sequence<S>::value))> > [with It = boost::hana::ext::std::integer_sequence_tag]'
  105 |     struct any_of_impl<It, when<
      |            ^~~~~~~~~~~~~~~~~~~~~
  106 |         hana::Iterable<It>::value &&
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  107 |         !Sequence<It>::value
      |         ~~~~~~~~~~~~~~~~~~~~
  108 |     >> {
      |     ~~      
../boost/hana/fwd/any_of.hpp:42:12: error: invalid use of incomplete type 'struct boost::hana::any_of_impl<boost::hana::ext::std::integer_sequence_tag, boost::hana::when<true> >'
   42 |     struct any_of_impl : any_of_impl<S, when<true>> { };
      |            ^~~~~~~~~~~
../boost/hana/fwd/any_of.hpp:42:12: note: declaration of 'struct boost::hana::any_of_impl<boost::hana::ext::std::integer_sequence_tag, boost::hana::when<true> >'
In file included from ../boost/hana/concept/constant.hpp:17:
../boost/hana/core/tag_of.hpp: In instantiation of 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 0>, void>':
../boost/hana/optional.hpp:57:12:   required from 'struct boost::hana::optional<std::integral_constant<long unsigned int, 0> >'
../boost/hana/optional.hpp:119:22:   required from 'constexpr auto boost::hana::make_just_t::operator()(T&&) const [with T = std::integral_constant<long unsigned int, 0>]'
../boost/hana/optional.hpp:259:28:   required from 'static constexpr auto boost::hana::transform_impl<boost::hana::optional_tag>::apply(boost::hana::optional<T>&&, F&&) [with T = boost::hana::integral_constant<long unsigned int, 0>; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 1> >]'
../boost/hana/transform.hpp:40:32:   required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::optional<boost::hana::integral_constant<long unsigned int, 0> >; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 1> >]'
../boost/hana/find_if.hpp:77:35:   required from 'static constexpr auto boost::hana::find_if_impl<Tag, boost::hana::when<boost::hana::Iterable<It>::value> >::apply(Xs&&, Pred&&) [with Xs = std::integer_sequence<long unsigned int, 0, 1>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply, A>; Tag = boost::hana::ext::std::integer_sequence_tag]'
../boost/hana/find_if.hpp:48:29:   required from 'constexpr auto boost::hana::find_if_t::operator()(Xs&&, Pred&&) const [with Xs = std::integer_sequence<long unsigned int, 0, 1>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply, A>]'
../boost/hana/detail/hash_table.hpp:70:44:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 0, 1>, A, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, A, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >&; Key = A]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >&; Key = A]'
../libs/hana/test/map/at_key.collisions.cpp:70:9:   required from here
../boost/hana/core/tag_of.hpp:24:12: error: ambiguous template instantiation for 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 0>, boost::hana::when<true> >'
   24 |     struct tag_of : tag_of<T, when<true>> { };
      |            ^~~~~~
../boost/hana/core/tag_of.hpp:33:12: note: candidates are: 'template<class T, bool condition> struct boost::hana::tag_of<T, boost::hana::when<condition> > [with T = std::integral_constant<long unsigned int, 0>; bool condition = true]'
   33 |     struct tag_of<T, when<condition>> {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../boost/hana/ext/std/integer_sequence.hpp:16,
                 from ../boost/hana/detail/hash_table.hpp:15,
                 from ../boost/hana/map.hpp:29,
                 from ../libs/hana/test/map/at_key.collisions.cpp:11:
../boost/hana/ext/std/integral_constant.hpp:68:12: note:                 'template<class T> struct boost::hana::tag_of<T, boost::hana::when<(boost::hana::detail::is_std_integral_constant((T*)(0)) && (! boost::hana::detail::is_hana_integral_constant((T*)(0))))> > [with T = std::integral_constant<long unsigned int, 0>]'
   68 |     struct tag_of<T, when<
      |            ^~~~~~~~~~~~~~~
   69 |         detail::is_std_integral_constant((T*)0) &&
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   70 |         !detail::is_hana_integral_constant((T*)0)
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |     >> {
      |     ~~      
../boost/hana/core/tag_of.hpp:24:12: error: invalid use of incomplete type 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 0>, boost::hana::when<true> >'
   24 |     struct tag_of : tag_of<T, when<true>> { };
      |            ^~~~~~
../boost/hana/core/tag_of.hpp:24:12: note: declaration of 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 0>, boost::hana::when<true> >'
In file included from ../boost/hana/detail/index_if.hpp:17,
                 from ../boost/hana/index_if.hpp:18,
                 from ../boost/hana/find_if.hpp:26,
                 from ../boost/hana/concept/searchable.hpp:20:
../boost/hana/optional.hpp: In instantiation of 'struct boost::hana::optional<std::integral_constant<long unsigned int, 0> >':
../boost/hana/optional.hpp:119:22:   required from 'constexpr auto boost::hana::make_just_t::operator()(T&&) const [with T = std::integral_constant<long unsigned int, 0>]'
../boost/hana/optional.hpp:259:28:   required from 'static constexpr auto boost::hana::transform_impl<boost::hana::optional_tag>::apply(boost::hana::optional<T>&&, F&&) [with T = boost::hana::integral_constant<long unsigned int, 0>; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 1> >]'
../boost/hana/transform.hpp:40:32:   required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::optional<boost::hana::integral_constant<long unsigned int, 0> >; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 1> >]'
../boost/hana/find_if.hpp:77:35:   required from 'static constexpr auto boost::hana::find_if_impl<Tag, boost::hana::when<boost::hana::Iterable<It>::value> >::apply(Xs&&, Pred&&) [with Xs = std::integer_sequence<long unsigned int, 0, 1>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply, A>; Tag = boost::hana::ext::std::integer_sequence_tag]'
../boost/hana/find_if.hpp:48:29:   required from 'constexpr auto boost::hana::find_if_t::operator()(Xs&&, Pred&&) const [with Xs = std::integer_sequence<long unsigned int, 0, 1>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply, A>]'
../boost/hana/detail/hash_table.hpp:70:44:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 0, 1>, A, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, A, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >&; Key = A]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >&; Key = A]'
../libs/hana/test/map/at_key.collisions.cpp:70:9:   required from here
../boost/hana/optional.hpp:57:12: error: no type named 'type' in 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 0>, void>'
   57 |     struct optional<T> : detail::operators::adl<>, detail::nested_type<T> {
      |            ^~~~~~~~~~~
../boost/hana/core/tag_of.hpp: In instantiation of 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 1>, void>':
../boost/hana/optional.hpp:57:12:   required from 'struct boost::hana::optional<std::integral_constant<long unsigned int, 1> >'
../boost/hana/optional.hpp:119:22:   required from 'constexpr auto boost::hana::make_just_t::operator()(T&&) const [with T = std::integral_constant<long unsigned int, 1>]'
../boost/hana/optional.hpp:259:28:   required from 'static constexpr auto boost::hana::transform_impl<boost::hana::optional_tag>::apply(boost::hana::optional<T>&&, F&&) [with T = boost::hana::integral_constant<long unsigned int, 1>; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 1> >]'
../boost/hana/transform.hpp:40:32:   required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::optional<boost::hana::integral_constant<long unsigned int, 1> >; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 1> >]'
../boost/hana/find_if.hpp:77:35:   required from 'static constexpr auto boost::hana::find_if_impl<Tag, boost::hana::when<boost::hana::Iterable<It>::value> >::apply(Xs&&, Pred&&) [with Xs = std::integer_sequence<long unsigned int, 0, 1>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply, B>; Tag = boost::hana::ext::std::integer_sequence_tag]'
../boost/hana/find_if.hpp:48:29:   required from 'constexpr auto boost::hana::find_if_t::operator()(Xs&&, Pred&&) const [with Xs = std::integer_sequence<long unsigned int, 0, 1>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply, B>]'
../boost/hana/detail/hash_table.hpp:70:44:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 0, 1>, B, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, B, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >&; Key = B]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >&; Key = B]'
../libs/hana/test/map/at_key.collisions.cpp:75:9:   required from here
../boost/hana/core/tag_of.hpp:24:12: error: ambiguous template instantiation for 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 1>, boost::hana::when<true> >'
   24 |     struct tag_of : tag_of<T, when<true>> { };
      |            ^~~~~~
../boost/hana/core/tag_of.hpp:33:12: note: candidates are: 'template<class T, bool condition> struct boost::hana::tag_of<T, boost::hana::when<condition> > [with T = std::integral_constant<long unsigned int, 1>; bool condition = true]'
   33 |     struct tag_of<T, when<condition>> {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/ext/std/integral_constant.hpp:68:12: note:                 'template<class T> struct boost::hana::tag_of<T, boost::hana::when<(boost::hana::detail::is_std_integral_constant((T*)(0)) && (! boost::hana::detail::is_hana_integral_constant((T*)(0))))> > [with T = std::integral_constant<long unsigned int, 1>]'
   68 |     struct tag_of<T, when<
      |            ^~~~~~~~~~~~~~~
   69 |         detail::is_std_integral_constant((T*)0) &&
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   70 |         !detail::is_hana_integral_constant((T*)0)
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |     >> {
      |     ~~      
../boost/hana/core/tag_of.hpp:24:12: error: invalid use of incomplete type 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 1>, boost::hana::when<true> >'
   24 |     struct tag_of : tag_of<T, when<true>> { };
      |            ^~~~~~
../boost/hana/core/tag_of.hpp:24:12: note: declaration of 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 1>, boost::hana::when<true> >'
../boost/hana/optional.hpp: In instantiation of 'struct boost::hana::optional<std::integral_constant<long unsigned int, 1> >':
../boost/hana/optional.hpp:119:22:   required from 'constexpr auto boost::hana::make_just_t::operator()(T&&) const [with T = std::integral_constant<long unsigned int, 1>]'
../boost/hana/optional.hpp:259:28:   required from 'static constexpr auto boost::hana::transform_impl<boost::hana::optional_tag>::apply(boost::hana::optional<T>&&, F&&) [with T = boost::hana::integral_constant<long unsigned int, 1>; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 1> >]'
../boost/hana/transform.hpp:40:32:   required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::optional<boost::hana::integral_constant<long unsigned int, 1> >; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 1> >]'
../boost/hana/find_if.hpp:77:35:   required from 'static constexpr auto boost::hana::find_if_impl<Tag, boost::hana::when<boost::hana::Iterable<It>::value> >::apply(Xs&&, Pred&&) [with Xs = std::integer_sequence<long unsigned int, 0, 1>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply, B>; Tag = boost::hana::ext::std::integer_sequence_tag]'
../boost/hana/find_if.hpp:48:29:   required from 'constexpr auto boost::hana::find_if_t::operator()(Xs&&, Pred&&) const [with Xs = std::integer_sequence<long unsigned int, 0, 1>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply, B>]'
../boost/hana/detail/hash_table.hpp:70:44:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 0, 1>, B, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, B, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >&; Key = B]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<B, B> > >&; Key = B]'
../libs/hana/test/map/at_key.collisions.cpp:75:9:   required from here
../boost/hana/optional.hpp:57:12: error: no type named 'type' in 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 1>, void>'
   57 |     struct optional<T> : detail::operators::adl<>, detail::nested_type<T> {
      |            ^~~~~~~~~~~
In file included from ../boost/hana/detail/operators/comparable.hpp:15,
                 from ../boost/hana/pair.hpp:20,
                 from ../boost/hana/unpack.hpp:26,
                 from ../boost/hana/fold_left.hpp:20,
                 from ../boost/hana/concept/foldable.hpp:19,
                 from ../boost/hana/core/to.hpp:16,
                 from ../boost/hana/bool.hpp:17:
../boost/hana/fwd/equal.hpp: In instantiation of 'struct boost::hana::equal_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, void>':
../boost/hana/equal.hpp:50:28:   required from 'constexpr auto boost::hana::equal_t::operator()(X&&, Y&&) const [with X = boost::hana::integral_constant<int, 56>; Y = boost::hana::integral_constant<int, 56>]'
../boost/hana/detail/hash_table.hpp:80:24:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 1>, boost::hana::integral_constant<int, 56>, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::integral_constant<int, 56>, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = boost::hana::integral_constant<int, 56>]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = boost::hana::integral_constant<int, 56>]'
../libs/hana/test/map/at_key.collisions.cpp:110:9:   required from here
../boost/hana/fwd/equal.hpp:69:12: error: ambiguous template instantiation for 'struct boost::hana::equal_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
   69 |     struct equal_impl : equal_impl<T, U, when<true>> { };
      |            ^~~~~~~~~~
In file included from ../boost/hana/at_key.hpp:23:
../boost/hana/equal.hpp:55:12: note: candidates are: 'template<class T, class U, bool condition> struct boost::hana::equal_impl<T, U, boost::hana::when<condition> > [with T = boost::hana::integral_constant_tag<int>; U = boost::hana::integral_constant_tag<int>; bool condition = true]'
   55 |     struct equal_impl<T, U, when<condition>> : default_ {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/equal.hpp:104:12: note:                 'template<class C> struct boost::hana::equal_impl<C, C, boost::hana::when<(boost::hana::Constant<C>::value && boost::hana::Comparable<typename C::value_type>::value)> > [with C = boost::hana::integral_constant_tag<int>]'
  104 |     struct equal_impl<C, C, when<
      |            ^~~~~~~~~~~~~~~~~~~~~~
  105 |         hana::Constant<C>::value &&
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~
  106 |         Comparable<typename C::value_type>::value
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  107 |     >> {
      |     ~~      
../boost/hana/fwd/equal.hpp:69:12: error: invalid use of incomplete type 'struct boost::hana::equal_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
   69 |     struct equal_impl : equal_impl<T, U, when<true>> { };
      |            ^~~~~~~~~~
../boost/hana/fwd/equal.hpp:69:12: note: declaration of 'struct boost::hana::equal_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
../boost/hana/equal.hpp: In instantiation of 'constexpr auto boost::hana::equal_t::operator()(X&&, Y&&) const [with X = boost::hana::integral_constant<int, 56>; Y = boost::hana::integral_constant<int, 56>]':
../boost/hana/detail/hash_table.hpp:80:24:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 1>, boost::hana::integral_constant<int, 56>, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::integral_constant<int, 56>, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = boost::hana::integral_constant<int, 56>]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = boost::hana::integral_constant<int, 56>]'
../libs/hana/test/map/at_key.collisions.cpp:110:9:   required from here
../boost/hana/equal.hpp:50:28: error: 'apply' is not a member of 'Equal' {aka 'boost::hana::equal_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, void>'}
   50 |         return Equal::apply(static_cast<X&&>(x), static_cast<Y&&>(y));
      |                ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/map.hpp: In instantiation of 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = boost::hana::integral_constant<int, 56>]':
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = boost::hana::integral_constant<int, 56>]'
../libs/hana/test/map/at_key.collisions.cpp:110:9:   required from here
../boost/hana/map.hpp:482:50: error: no matching function for call to 'at_c<index>(boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> >&)'
  482 |             return hana::second(hana::at_c<index>(static_cast<Map&&>(map).storage));
      |                                 ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../boost/hana/unpack.hpp:16:
../boost/hana/at.hpp:52:30: note: candidate: 'template<long unsigned int n, class Xs> constexpr decltype(auto) boost::hana::at_c(Xs&&)'
   52 |     constexpr decltype(auto) at_c(Xs&& xs) {
      |                              ^~~~
../boost/hana/at.hpp:52:30: note:   template argument deduction/substitution failed:
In file included from ../boost/hana/functional/partial.hpp:13,
                 from ../boost/hana/fold_left.hpp:19:
../boost/hana/basic_tuple.hpp:219:30: note: candidate: 'template<long unsigned int n, class ... Xs> constexpr decltype(auto) boost::hana::at_c(const basic_tuple<Xs ...>&)'
  219 |     constexpr decltype(auto) at_c(basic_tuple<Xs...> const& xs) {
      |                              ^~~~
../boost/hana/basic_tuple.hpp:219:30: note:   template argument deduction/substitution failed:
../boost/hana/basic_tuple.hpp:224:30: note: candidate: 'template<long unsigned int n, class ... Xs> constexpr decltype(auto) boost::hana::at_c(basic_tuple<Xs ...>&)'
  224 |     constexpr decltype(auto) at_c(basic_tuple<Xs...>& xs) {
      |                              ^~~~
../boost/hana/basic_tuple.hpp:224:30: note:   template argument deduction/substitution failed:
../boost/hana/basic_tuple.hpp:229:30: note: candidate: 'template<long unsigned int n, class ... Xs> constexpr decltype(auto) boost::hana::at_c(basic_tuple<Xs ...>&&)'
  229 |     constexpr decltype(auto) at_c(basic_tuple<Xs...>&& xs) {
      |                              ^~~~
../boost/hana/basic_tuple.hpp:229:30: note:   template argument deduction/substitution failed:
../boost/hana/assert.hpp:227:9: error: template argument 1 is invalid
  227 |         >::value,                                                           \
      |         ^
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:110:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
  110 |         BOOST_HANA_CONSTANT_CHECK(hana::equal(
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/assert.hpp:232:10: error: no matching function for call to 'value<<expression error> >()'
  230 |         static_assert(::boost::hana::value<                                 \
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  231 |             decltype(BOOST_HANA_PP_CONCAT(__hana_tmp_, __LINE__))           \
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  232 |         >(), message);                                                      \
      |         ~^~
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:110:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
  110 |         BOOST_HANA_CONSTANT_CHECK(hana::equal(
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/value.hpp:31:30: note: candidate: 'template<class T> constexpr decltype(auto) boost::hana::value()'
   31 |     constexpr decltype(auto) value() {
      |                              ^~~~~
../boost/hana/value.hpp:31:30: note:   template argument deduction/substitution failed:
../boost/hana/assert.hpp:232:10: error: template argument 1 is invalid
  230 |         static_assert(::boost::hana::value<                                 \
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  231 |             decltype(BOOST_HANA_PP_CONCAT(__hana_tmp_, __LINE__))           \
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  232 |         >(), message);                                                      \
      |         ~^~
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:110:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
  110 |         BOOST_HANA_CONSTANT_CHECK(hana::equal(
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/fwd/value.hpp:65:30: note: candidate: 'template<class T> constexpr decltype(auto) boost::hana::value(const T&)'
   65 |     constexpr decltype(auto) value(T const&)
      |                              ^~~~~
../boost/hana/fwd/value.hpp:65:30: note:   candidate expects 1 argument, 0 provided
../boost/hana/core/tag_of.hpp: In instantiation of 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 2>, void>':
../boost/hana/optional.hpp:57:12:   required from 'struct boost::hana::optional<std::integral_constant<long unsigned int, 2> >'
../boost/hana/optional.hpp:119:22:   required from 'constexpr auto boost::hana::make_just_t::operator()(T&&) const [with T = std::integral_constant<long unsigned int, 2>]'
../boost/hana/optional.hpp:259:28:   required from 'static constexpr auto boost::hana::transform_impl<boost::hana::optional_tag>::apply(boost::hana::optional<T>&&, F&&) [with T = boost::hana::integral_constant<long unsigned int, 1>; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 2> >]'
../boost/hana/transform.hpp:40:32:   required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::optional<boost::hana::integral_constant<long unsigned int, 1> >; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 2> >]'
../boost/hana/find_if.hpp:77:35:   required from 'static constexpr auto boost::hana::find_if_impl<Tag, boost::hana::when<boost::hana::Iterable<It>::value> >::apply(Xs&&, Pred&&) [with Xs = std::integer_sequence<long unsigned int, 0, 2>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply, B>; Tag = boost::hana::ext::std::integer_sequence_tag]'
../boost/hana/find_if.hpp:48:29:   required from 'constexpr auto boost::hana::find_if_t::operator()(Xs&&, Pred&&) const [with Xs = std::integer_sequence<long unsigned int, 0, 2>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply, B>]'
../boost/hana/detail/hash_table.hpp:70:44:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 0, 2>, B, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, B, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = B]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = B]'
../libs/hana/test/map/at_key.collisions.cpp:115:9:   required from here
../boost/hana/core/tag_of.hpp:24:12: error: ambiguous template instantiation for 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 2>, boost::hana::when<true> >'
   24 |     struct tag_of : tag_of<T, when<true>> { };
      |            ^~~~~~
../boost/hana/core/tag_of.hpp:33:12: note: candidates are: 'template<class T, bool condition> struct boost::hana::tag_of<T, boost::hana::when<condition> > [with T = std::integral_constant<long unsigned int, 2>; bool condition = true]'
   33 |     struct tag_of<T, when<condition>> {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/ext/std/integral_constant.hpp:68:12: note:                 'template<class T> struct boost::hana::tag_of<T, boost::hana::when<(boost::hana::detail::is_std_integral_constant((T*)(0)) && (! boost::hana::detail::is_hana_integral_constant((T*)(0))))> > [with T = std::integral_constant<long unsigned int, 2>]'
   68 |     struct tag_of<T, when<
      |            ^~~~~~~~~~~~~~~
   69 |         detail::is_std_integral_constant((T*)0) &&
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   70 |         !detail::is_hana_integral_constant((T*)0)
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   71 |     >> {
      |     ~~      
../boost/hana/core/tag_of.hpp:24:12: error: invalid use of incomplete type 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 2>, boost::hana::when<true> >'
   24 |     struct tag_of : tag_of<T, when<true>> { };
      |            ^~~~~~
../boost/hana/core/tag_of.hpp:24:12: note: declaration of 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 2>, boost::hana::when<true> >'
../boost/hana/optional.hpp: In instantiation of 'struct boost::hana::optional<std::integral_constant<long unsigned int, 2> >':
../boost/hana/optional.hpp:119:22:   required from 'constexpr auto boost::hana::make_just_t::operator()(T&&) const [with T = std::integral_constant<long unsigned int, 2>]'
../boost/hana/optional.hpp:259:28:   required from 'static constexpr auto boost::hana::transform_impl<boost::hana::optional_tag>::apply(boost::hana::optional<T>&&, F&&) [with T = boost::hana::integral_constant<long unsigned int, 1>; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 2> >]'
../boost/hana/transform.hpp:40:32:   required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::optional<boost::hana::integral_constant<long unsigned int, 1> >; F = boost::hana::detail::partial_at<std::integer_sequence<long unsigned int, 0, 2> >]'
../boost/hana/find_if.hpp:77:35:   required from 'static constexpr auto boost::hana::find_if_impl<Tag, boost::hana::when<boost::hana::Iterable<It>::value> >::apply(Xs&&, Pred&&) [with Xs = std::integer_sequence<long unsigned int, 0, 2>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply, B>; Tag = boost::hana::ext::std::integer_sequence_tag]'
../boost/hana/find_if.hpp:48:29:   required from 'constexpr auto boost::hana::find_if_t::operator()(Xs&&, Pred&&) const [with Xs = std::integer_sequence<long unsigned int, 0, 2>; Pred = boost::hana::detail::find_pred<boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply, B>]'
../boost/hana/detail/hash_table.hpp:70:44:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 0, 2>, B, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, B, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = B]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B> > >&; Key = B]'
../libs/hana/test/map/at_key.collisions.cpp:115:9:   required from here
../boost/hana/optional.hpp:57:12: error: no type named 'type' in 'struct boost::hana::tag_of<std::integral_constant<long unsigned int, 2>, void>'
   57 |     struct optional<T> : detail::operators::adl<>, detail::nested_type<T> {
      |            ^~~~~~~~~~~
../boost/hana/map.hpp: In instantiation of 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 42>, 3> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B>, boost::hana::pair<boost::hana::integral_constant<int, 42>, boost::hana::integral_constant<int, 42> > > >&; Key = boost::hana::integral_constant<int, 56>]':
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 42>, 3> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B>, boost::hana::pair<boost::hana::integral_constant<int, 42>, boost::hana::integral_constant<int, 42> > > >&; Key = boost::hana::integral_constant<int, 56>]'
../libs/hana/test/map/at_key.collisions.cpp:134:9:   required from here
../boost/hana/map.hpp:482:50: error: no matching function for call to 'at_c<index>(boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B>, boost::hana::pair<boost::hana::integral_constant<int, 42>, boost::hana::integral_constant<int, 42> > >&)'
  482 |             return hana::second(hana::at_c<index>(static_cast<Map&&>(map).storage));
      |                                 ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/at.hpp:52:30: note: candidate: 'template<long unsigned int n, class Xs> constexpr decltype(auto) boost::hana::at_c(Xs&&)'
   52 |     constexpr decltype(auto) at_c(Xs&& xs) {
      |                              ^~~~
../boost/hana/at.hpp:52:30: note:   template argument deduction/substitution failed:
../boost/hana/basic_tuple.hpp:219:30: note: candidate: 'template<long unsigned int n, class ... Xs> constexpr decltype(auto) boost::hana::at_c(const basic_tuple<Xs ...>&)'
  219 |     constexpr decltype(auto) at_c(basic_tuple<Xs...> const& xs) {
      |                              ^~~~
../boost/hana/basic_tuple.hpp:219:30: note:   template argument deduction/substitution failed:
../boost/hana/basic_tuple.hpp:224:30: note: candidate: 'template<long unsigned int n, class ... Xs> constexpr decltype(auto) boost::hana::at_c(basic_tuple<Xs ...>&)'
  224 |     constexpr decltype(auto) at_c(basic_tuple<Xs...>& xs) {
      |                              ^~~~
../boost/hana/basic_tuple.hpp:224:30: note:   template argument deduction/substitution failed:
../boost/hana/basic_tuple.hpp:229:30: note: candidate: 'template<long unsigned int n, class ... Xs> constexpr decltype(auto) boost::hana::at_c(basic_tuple<Xs ...>&&)'
  229 |     constexpr decltype(auto) at_c(basic_tuple<Xs...>&& xs) {
      |                              ^~~~
../boost/hana/basic_tuple.hpp:229:30: note:   template argument deduction/substitution failed:
../boost/hana/assert.hpp:227:9: error: template argument 1 is invalid
  227 |         >::value,                                                           \
      |         ^
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:134:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
  134 |         BOOST_HANA_CONSTANT_CHECK(hana::equal(
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/assert.hpp:232:10: error: no matching function for call to 'value<<expression error> >()'
  230 |         static_assert(::boost::hana::value<                                 \
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  231 |             decltype(BOOST_HANA_PP_CONCAT(__hana_tmp_, __LINE__))           \
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  232 |         >(), message);                                                      \
      |         ~^~
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:134:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
  134 |         BOOST_HANA_CONSTANT_CHECK(hana::equal(
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/value.hpp:31:30: note: candidate: 'template<class T> constexpr decltype(auto) boost::hana::value()'
   31 |     constexpr decltype(auto) value() {
      |                              ^~~~~
../boost/hana/value.hpp:31:30: note:   template argument deduction/substitution failed:
../boost/hana/assert.hpp:232:10: error: template argument 1 is invalid
  230 |         static_assert(::boost::hana::value<                                 \
      |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  231 |             decltype(BOOST_HANA_PP_CONCAT(__hana_tmp_, __LINE__))           \
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  232 |         >(), message);                                                      \
      |         ~^~
../boost/hana/assert.hpp:240:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK_MSG'
  240 |         BOOST_HANA_CONSTANT_CHECK_MSG(                                      \
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/map/at_key.collisions.cpp:134:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
  134 |         BOOST_HANA_CONSTANT_CHECK(hana::equal(
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/fwd/value.hpp:65:30: note: candidate: 'template<class T> constexpr decltype(auto) boost::hana::value(const T&)'
   65 |     constexpr decltype(auto) value(T const&)
      |                              ^~~~~
../boost/hana/fwd/value.hpp:65:30: note:   candidate expects 1 argument, 0 provided
../boost/hana/equal.hpp: In instantiation of 'constexpr auto boost::hana::equal_t::operator()(X&&, Y&&) const [with X = boost::hana::integral_constant<int, 42>; Y = boost::hana::integral_constant<int, 42>]':
../boost/hana/detail/hash_table.hpp:80:24:   required from 'struct boost::hana::detail::find_index_impl<std::integer_sequence<long unsigned int, 3>, boost::hana::integral_constant<int, 42>, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B>, boost::hana::pair<boost::hana::integral_constant<int, 42>, boost::hana::integral_constant<int, 42> > > >::apply>'
../boost/hana/detail/hash_table.hpp:92:15:   required from 'struct boost::hana::detail::find_index<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 42>, 3> >, boost::hana::integral_constant<int, 42>, boost::hana::detail::KeyAtIndex<boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B>, boost::hana::pair<boost::hana::integral_constant<int, 42>, boost::hana::integral_constant<int, 42> > > >::apply>'
../boost/hana/map.hpp:476:19:   required from 'static constexpr decltype(auto) boost::hana::at_key_impl<boost::hana::map_tag>::apply(Map&&, const Key&) [with Map = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 42>, 3> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B>, boost::hana::pair<boost::hana::integral_constant<int, 42>, boost::hana::integral_constant<int, 42> > > >&; Key = boost::hana::integral_constant<int, 42>]'
../boost/hana/at_key.hpp:51:28:   required from 'constexpr decltype(auto) boost::hana::at_key_t::operator()(Xs&&, const Key&) const [with Xs = boost::hana::detail::map_impl<boost::hana::detail::hash_table<boost::hana::detail::bucket<the_hash, 0, 2>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 56>, 1>, boost::hana::detail::bucket<boost::hana::integral_constant<long long int, 42>, 3> >, boost::hana::basic_tuple<boost::hana::pair<A, A>, boost::hana::pair<boost::hana::integral_constant<int, 56>, boost::hana::integral_constant<int, 56> >, boost::hana::pair<B, B>, boost::hana::pair<boost::hana::integral_constant<int, 42>, boost::hana::integral_constant<int, 42> > > >&; Key = boost::hana::integral_constant<int, 42>]'
../libs/hana/test/map/at_key.collisions.cpp:144:9:   required from here
../boost/hana/equal.hpp:50:...

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