Compile [2024-11-16 12:16:26 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~issues~github_221.test/gcc-12~c++17/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/issues/github_221.o" "../libs/hana/test/issues/github_221.cpp"
In file included from ../boost/hana/detail/operators/logical.hpp:16,
from ../boost/hana/bool.hpp:21,
from ../boost/hana/adjust_if.hpp:15,
from ../libs/hana/test/issues/github_221.cpp:5:
../boost/hana/fwd/not.hpp: In instantiation of 'struct boost::hana::not_impl<boost::hana::integral_constant_tag<int>, 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<int>, void>]'
../boost/hana/concept/logical.hpp:29:62: required from 'struct boost::hana::Logical<boost::hana::integral_constant_tag<int> >'
../boost/hana/if.hpp:26:15: required from 'constexpr decltype(auto) boost::hana::if_t::operator()(Cond&&, Then&&, Else&&) const [with Cond = boost::hana::integral_constant<int, 0>&; Then = const boost::hana::integral_constant<bool, true>&; Else = const boost::hana::integral_constant<bool, false>&]'
../boost/hana/adjust_if.hpp:62:38: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::operator()(X&&) const [with X = boost::hana::integral_constant<int, 0>; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../boost/hana/transform.hpp:62:42: required from 'constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::transformer<F>::operator()(Xs&& ...) const [with Xs = {boost::hana::integral_constant<int, 0>}; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*; S = boost::hana::tuple_tag]'
../boost/hana/basic_tuple.hpp:135:39: [ skipping 3 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::integral_constant<int, 0> >; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 0> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 0> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 0> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 0> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:43:43: 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<int>, boost::hana::when<true> >'
36 | struct not_impl : not_impl<L, when<true>> { };
| ^~~~~~~~
In file included from ../boost/hana/concept/logical.hpp:20,
from ../boost/hana/if.hpp:15,
from ../boost/hana/adjust_if.hpp:19:
../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<int>; 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<int>]'
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<int>, 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<int>, 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<int>, 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<int>, void>]'
../boost/hana/concept/logical.hpp:30:64: required from 'struct boost::hana::Logical<boost::hana::integral_constant_tag<int> >'
../boost/hana/if.hpp:26:15: required from 'constexpr decltype(auto) boost::hana::if_t::operator()(Cond&&, Then&&, Else&&) const [with Cond = boost::hana::integral_constant<int, 0>&; Then = const boost::hana::integral_constant<bool, true>&; Else = const boost::hana::integral_constant<bool, false>&]'
../boost/hana/adjust_if.hpp:62:38: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::operator()(X&&) const [with X = boost::hana::integral_constant<int, 0>; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../boost/hana/transform.hpp:62:42: required from 'constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::transformer<F>::operator()(Xs&& ...) const [with Xs = {boost::hana::integral_constant<int, 0>}; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*; S = boost::hana::tuple_tag]'
../boost/hana/basic_tuple.hpp:135:39: [ skipping 3 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::integral_constant<int, 0> >; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 0> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 0> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 0> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 0> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:43:43: 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<int>, 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<int>; 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<int>]'
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<int>, 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<int>, boost::hana::when<true> >'
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::tuple_tag, boost::hana::tuple_tag, void>':
../boost/hana/equal.hpp:50:28: required from 'constexpr auto boost::hana::equal_t::operator()(X&&, Y&&) const [with X = const boost::hana::tuple<boost::hana::integral_constant<int, 0> >&; Y = boost::hana::tuple<boost::hana::integral_constant<int, 0> >]'
../libs/hana/test/issues/github_221.cpp:44:9: required from here
../boost/hana/fwd/equal.hpp:69:12: error: ambiguous template instantiation for 'struct boost::hana::equal_impl<boost::hana::tuple_tag, boost::hana::tuple_tag, boost::hana::when<true> >'
69 | struct equal_impl : equal_impl<T, U, when<true>> { };
| ^~~~~~~~~~
In file included from ../libs/hana/test/issues/github_221.cpp:11:
../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::tuple_tag; U = boost::hana::tuple_tag; bool condition = true]'
55 | struct equal_impl<T, U, when<condition>> : default_ {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/equal.hpp:168:12: note: 'template<class T, class U> struct boost::hana::equal_impl<T, U, boost::hana::when<(boost::hana::Sequence<S>::value && boost::hana::Sequence<Tag>::value)> > [with T = boost::hana::tuple_tag; U = boost::hana::tuple_tag]'
168 | struct equal_impl<T, U, when<Sequence<T>::value && hana::Sequence<U>::value>> {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/fwd/equal.hpp:69:12: error: invalid use of incomplete type 'struct boost::hana::equal_impl<boost::hana::tuple_tag, boost::hana::tuple_tag, 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::tuple_tag, boost::hana::tuple_tag, boost::hana::when<true> >'
../boost/hana/equal.hpp: In instantiation of 'constexpr auto boost::hana::equal_t::operator()(X&&, Y&&) const [with X = const boost::hana::tuple<boost::hana::integral_constant<int, 0> >&; Y = boost::hana::tuple<boost::hana::integral_constant<int, 0> >]':
../libs/hana/test/issues/github_221.cpp:44:9: required from here
../boost/hana/equal.hpp:50:28: error: 'apply' is not a member of 'Equal' {aka 'boost::hana::equal_impl<boost::hana::tuple_tag, boost::hana::tuple_tag, void>'}
50 | return Equal::apply(static_cast<X&&>(x), static_cast<Y&&>(y));
| ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../libs/hana/test/issues/github_221.cpp:8:
../libs/hana/test/issues/github_221.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/issues/github_221.cpp:44:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
44 | BOOST_HANA_CONSTANT_CHECK(hana::equal(x, hana::make_tuple(hana::int_c<0>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:44:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
44 | BOOST_HANA_CONSTANT_CHECK(hana::equal(x, hana::make_tuple(hana::int_c<0>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../boost/hana/concept/constant.hpp:19,
from ../boost/hana/core/to.hpp:15:
../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/issues/github_221.cpp:44:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
44 | BOOST_HANA_CONSTANT_CHECK(hana::equal(x, hana::make_tuple(hana::int_c<0>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
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/zero.hpp:13,
from ../boost/hana/concept/monoid.hpp:20,
from ../boost/hana/plus.hpp:16,
from ../libs/hana/test/issues/github_221.cpp:25:
../boost/hana/fwd/zero.hpp: In instantiation of 'struct boost::hana::zero_impl<int, 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::zero_impl<int, void>]'
../boost/hana/concept/monoid.hpp:27:63: required from 'struct boost::hana::Monoid<int>'
../boost/hana/zero.hpp:74:41: required by substitution of 'template<class C> struct boost::hana::zero_impl<C, boost::hana::when<(boost::hana::Constant<C>::value && boost::hana::Monoid<typename C::value_type>::value)> > [with C = boost::hana::integral_constant_tag<int>]'
../boost/hana/fwd/zero.hpp:35:12: required from 'struct boost::hana::zero_impl<boost::hana::integral_constant_tag<int>, 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::zero_impl<boost::hana::integral_constant_tag<int>, void>]'
../boost/hana/concept/monoid.hpp:27:63: [ skipping 9 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::integral_constant<int, 1> >; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:46:43: required from here
../boost/hana/fwd/zero.hpp:35:12: error: ambiguous template instantiation for 'struct boost::hana::zero_impl<int, boost::hana::when<true> >'
35 | struct zero_impl : zero_impl<M, when<true>> { };
| ^~~~~~~~~
../boost/hana/zero.hpp:43:12: note: candidates are: 'template<class M, bool condition> struct boost::hana::zero_impl<M, boost::hana::when<condition> > [with M = int; bool condition = true]'
43 | struct zero_impl<M, when<condition>> : default_ {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/zero.hpp:52:12: note: 'template<class T> struct boost::hana::zero_impl<T, boost::hana::when<(std::is_arithmetic<_Tp>::value && (! std::is_same<T, bool>::value))> > [with T = int]'
52 | struct zero_impl<T, when<
| ^~~~~~~~~~~~~~~~~~
53 | std::is_arithmetic<T>::value &&
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
54 | !std::is_same<T, bool>::value
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
55 | >> {
| ~~
../boost/hana/fwd/zero.hpp:35:12: error: invalid use of incomplete type 'struct boost::hana::zero_impl<int, boost::hana::when<true> >'
35 | struct zero_impl : zero_impl<M, when<true>> { };
| ^~~~~~~~~
../boost/hana/fwd/zero.hpp:35:12: note: declaration of 'struct boost::hana::zero_impl<int, boost::hana::when<true> >'
In file included from ../boost/hana/detail/operators/arithmetic.hpp:20,
from ../boost/hana/bool.hpp:19:
../boost/hana/fwd/plus.hpp: In instantiation of 'struct boost::hana::plus_impl<int, int, 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::plus_impl<int, int, void>]'
../boost/hana/concept/monoid.hpp:29:63: required from 'struct boost::hana::Monoid<int>'
../boost/hana/zero.hpp:74:41: required by substitution of 'template<class C> struct boost::hana::zero_impl<C, boost::hana::when<(boost::hana::Constant<C>::value && boost::hana::Monoid<typename C::value_type>::value)> > [with C = boost::hana::integral_constant_tag<int>]'
../boost/hana/fwd/zero.hpp:35:12: required from 'struct boost::hana::zero_impl<boost::hana::integral_constant_tag<int>, 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::zero_impl<boost::hana::integral_constant_tag<int>, void>]'
../boost/hana/concept/monoid.hpp:27:63: [ skipping 9 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::integral_constant<int, 1> >; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:46:43: required from here
../boost/hana/fwd/plus.hpp:52:12: error: ambiguous template instantiation for 'struct boost::hana::plus_impl<int, int, boost::hana::when<true> >'
52 | struct plus_impl : plus_impl<T, U, when<true>> { };
| ^~~~~~~~~
../boost/hana/plus.hpp:56:12: note: candidates are: 'template<class T, class U, bool condition> struct boost::hana::plus_impl<T, U, boost::hana::when<condition> > [with T = int; U = int; bool condition = true]'
56 | struct plus_impl<T, U, when<condition>> : default_ {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/plus.hpp:78:12: note: 'template<class T> struct boost::hana::plus_impl<T, T, boost::hana::when<(std::is_arithmetic<_Tp>::value && (! std::is_same<T, bool>::value))> > [with T = int]'
78 | struct plus_impl<T, T, when<
| ^~~~~~~~~~~~~~~~~~~~~
79 | std::is_arithmetic<T>::value &&
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
80 | !std::is_same<T, bool>::value
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
81 | >> {
| ~~
../boost/hana/fwd/plus.hpp:52:12: error: invalid use of incomplete type 'struct boost::hana::plus_impl<int, int, boost::hana::when<true> >'
52 | struct plus_impl : plus_impl<T, U, when<true>> { };
| ^~~~~~~~~
../boost/hana/fwd/plus.hpp:52:12: note: declaration of 'struct boost::hana::plus_impl<int, int, boost::hana::when<true> >'
../boost/hana/fwd/zero.hpp: In instantiation of 'struct boost::hana::zero_impl<boost::hana::integral_constant_tag<int>, 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::zero_impl<boost::hana::integral_constant_tag<int>, void>]'
../boost/hana/concept/monoid.hpp:27:63: required from 'struct boost::hana::Monoid<boost::hana::integral_constant_tag<int> >'
../boost/hana/plus.hpp:33:22: required from 'constexpr decltype(auto) boost::hana::plus_t::operator()(X&&, Y&&) const [with X = const boost::hana::integral_constant<int, 1>&; Y = boost::hana::integral_constant<int, 1>]'
../boost/hana/functional/partial.hpp:78:43: required from 'constexpr decltype(auto) boost::hana::partial_t<std::integer_sequence<long unsigned int, _Idx ...>, F, X ...>::operator()(Y&& ...) const & [with Y = {boost::hana::integral_constant<int, 1>}; long unsigned int ...n = {0}; F = boost::hana::plus_t; X = {boost::hana::integral_constant<int, 1>}]'
../boost/hana/adjust_if.hpp:53:23: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::helper(boost::hana::true_, X&&) const [with X = boost::hana::integral_constant<int, 1>; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; boost::hana::true_ = boost::hana::integral_constant<bool, true>]'
../boost/hana/adjust_if.hpp:63:36: [ skipping 5 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::integral_constant<int, 1> >; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:46:43: required from here
../boost/hana/fwd/zero.hpp:35:12: error: ambiguous template instantiation for 'struct boost::hana::zero_impl<boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
35 | struct zero_impl : zero_impl<M, when<true>> { };
| ^~~~~~~~~
../boost/hana/zero.hpp:43:12: note: candidates are: 'template<class M, bool condition> struct boost::hana::zero_impl<M, boost::hana::when<condition> > [with M = boost::hana::integral_constant_tag<int>; bool condition = true]'
43 | struct zero_impl<M, when<condition>> : default_ {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/zero.hpp:72:12: note: 'template<class C> struct boost::hana::zero_impl<C, boost::hana::when<(boost::hana::Constant<C>::value && boost::hana::Monoid<typename C::value_type>::value)> > [with C = boost::hana::integral_constant_tag<int>]'
72 | struct zero_impl<C, when<
| ^~~~~~~~~~~~~~~~~~
73 | hana::Constant<C>::value &&
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
74 | Monoid<typename C::value_type>::value
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
75 | >> {
| ~~
../boost/hana/fwd/zero.hpp:35:12: error: invalid use of incomplete type 'struct boost::hana::zero_impl<boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
35 | struct zero_impl : zero_impl<M, when<true>> { };
| ^~~~~~~~~
../boost/hana/fwd/zero.hpp:35:12: note: declaration of 'struct boost::hana::zero_impl<boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
../boost/hana/fwd/plus.hpp: In instantiation of 'struct boost::hana::plus_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, 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::plus_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, void>]'
../boost/hana/concept/monoid.hpp:29:63: required from 'struct boost::hana::Monoid<boost::hana::integral_constant_tag<int> >'
../boost/hana/plus.hpp:33:22: required from 'constexpr decltype(auto) boost::hana::plus_t::operator()(X&&, Y&&) const [with X = const boost::hana::integral_constant<int, 1>&; Y = boost::hana::integral_constant<int, 1>]'
../boost/hana/functional/partial.hpp:78:43: required from 'constexpr decltype(auto) boost::hana::partial_t<std::integer_sequence<long unsigned int, _Idx ...>, F, X ...>::operator()(Y&& ...) const & [with Y = {boost::hana::integral_constant<int, 1>}; long unsigned int ...n = {0}; F = boost::hana::plus_t; X = {boost::hana::integral_constant<int, 1>}]'
../boost/hana/adjust_if.hpp:53:23: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::helper(boost::hana::true_, X&&) const [with X = boost::hana::integral_constant<int, 1>; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; boost::hana::true_ = boost::hana::integral_constant<bool, true>]'
../boost/hana/adjust_if.hpp:63:36: [ skipping 5 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::integral_constant<int, 1> >; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:46:43: required from here
../boost/hana/fwd/plus.hpp:52:12: error: ambiguous template instantiation for 'struct boost::hana::plus_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
52 | struct plus_impl : plus_impl<T, U, when<true>> { };
| ^~~~~~~~~
../boost/hana/plus.hpp:56:12: note: candidates are: 'template<class T, class U, bool condition> struct boost::hana::plus_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]'
56 | struct plus_impl<T, U, when<condition>> : default_ {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/plus.hpp:99:12: note: 'template<class C> struct boost::hana::plus_impl<C, C, boost::hana::when<(boost::hana::Constant<C>::value && boost::hana::Monoid<typename C::value_type>::value)> > [with C = boost::hana::integral_constant_tag<int>]'
99 | struct plus_impl<C, C, when<
| ^~~~~~~~~~~~~~~~~~~~~
100 | hana::Constant<C>::value &&
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
101 | Monoid<typename C::value_type>::value
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
102 | >> {
| ~~
../boost/hana/fwd/plus.hpp:52:12: error: invalid use of incomplete type 'struct boost::hana::plus_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
52 | struct plus_impl : plus_impl<T, U, when<true>> { };
| ^~~~~~~~~
../boost/hana/fwd/plus.hpp:52:12: note: declaration of 'struct boost::hana::plus_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, boost::hana::when<true> >'
../boost/hana/plus.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::plus_t::operator()(X&&, Y&&) const [with X = const boost::hana::integral_constant<int, 1>&; Y = boost::hana::integral_constant<int, 1>]':
../boost/hana/functional/partial.hpp:78:43: required from 'constexpr decltype(auto) boost::hana::partial_t<std::integer_sequence<long unsigned int, _Idx ...>, F, X ...>::operator()(Y&& ...) const & [with Y = {boost::hana::integral_constant<int, 1>}; long unsigned int ...n = {0}; F = boost::hana::plus_t; X = {boost::hana::integral_constant<int, 1>}]'
../boost/hana/adjust_if.hpp:53:23: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::helper(boost::hana::true_, X&&) const [with X = boost::hana::integral_constant<int, 1>; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; boost::hana::true_ = boost::hana::integral_constant<bool, true>]'
../boost/hana/adjust_if.hpp:63:36: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::operator()(X&&) const [with X = boost::hana::integral_constant<int, 1>; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../boost/hana/transform.hpp:62:42: required from 'constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::transformer<F>::operator()(Xs&& ...) const [with Xs = {boost::hana::integral_constant<int, 1>}; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*; S = boost::hana::tuple_tag]'
../boost/hana/basic_tuple.hpp:135:39: required from 'static constexpr decltype(auto) boost::hana::unpack_impl<boost::hana::basic_tuple_tag>::apply(boost::hana::detail::basic_tuple_impl<std::integer_sequence<long unsigned int, _Idx ...>, Xn ...>&&, F&&) [with long unsigned int ...i = {0}; Xn = {boost::hana::integral_constant<int, 1>}; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/unpack.hpp:47:29: [ skipping 2 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::integral_constant<int, 1> >; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 1> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:46:43: required from here
../boost/hana/plus.hpp:51:27: error: 'apply' is not a member of 'Plus' {aka 'boost::hana::plus_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, void>'}
51 | return Plus::apply(static_cast<X&&>(x), static_cast<Y&&>(y));
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:47:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
47 | BOOST_HANA_CONSTANT_CHECK(hana::equal(y, hana::make_tuple(hana::int_c<2>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:47:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
47 | BOOST_HANA_CONSTANT_CHECK(hana::equal(y, hana::make_tuple(hana::int_c<2>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:47:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
47 | BOOST_HANA_CONSTANT_CHECK(hana::equal(y, hana::make_tuple(hana::int_c<2>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/plus.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::plus_t::operator()(X&&, Y&&) const [with X = const boost::hana::integral_constant<int, 1>&; Y = boost::hana::integral_constant<int, 3>]':
../boost/hana/functional/partial.hpp:78:43: required from 'constexpr decltype(auto) boost::hana::partial_t<std::integer_sequence<long unsigned int, _Idx ...>, F, X ...>::operator()(Y&& ...) const & [with Y = {boost::hana::integral_constant<int, 3>}; long unsigned int ...n = {0}; F = boost::hana::plus_t; X = {boost::hana::integral_constant<int, 1>}]'
../boost/hana/adjust_if.hpp:53:23: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::helper(boost::hana::true_, X&&) const [with X = boost::hana::integral_constant<int, 3>; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; boost::hana::true_ = boost::hana::integral_constant<bool, true>]'
../boost/hana/adjust_if.hpp:63:36: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::operator()(X&&) const [with X = boost::hana::integral_constant<int, 3>; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../boost/hana/transform.hpp:62:42: required from 'constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::transformer<F>::operator()(Xs&& ...) const [with Xs = {boost::hana::integral_constant<int, 3>}; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*; S = boost::hana::tuple_tag]'
../boost/hana/basic_tuple.hpp:135:39: required from 'static constexpr decltype(auto) boost::hana::unpack_impl<boost::hana::basic_tuple_tag>::apply(boost::hana::detail::basic_tuple_impl<std::integer_sequence<long unsigned int, _Idx ...>, Xn ...>&&, F&&) [with long unsigned int ...i = {0}; Xn = {boost::hana::integral_constant<int, 3>}; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/unpack.hpp:47:29: [ skipping 2 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::integral_constant<int, 3> >; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 3> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 3> >; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 3> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = boost::hana::tuple<boost::hana::integral_constant<int, 3> >; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:49:43: required from here
../boost/hana/plus.hpp:51:27: error: 'apply' is not a member of 'Plus' {aka 'boost::hana::plus_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, void>'}
51 | return Plus::apply(static_cast<X&&>(x), static_cast<Y&&>(y));
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:50:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
50 | BOOST_HANA_CONSTANT_CHECK(hana::equal(z, hana::make_tuple(hana::int_c<4>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:50:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
50 | BOOST_HANA_CONSTANT_CHECK(hana::equal(z, hana::make_tuple(hana::int_c<4>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:50:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
50 | BOOST_HANA_CONSTANT_CHECK(hana::equal(z, hana::make_tuple(hana::int_c<4>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/plus.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::plus_t::operator()(X&&, Y&&) const [with X = const boost::hana::integral_constant<int, 1>&; Y = const boost::hana::integral_constant<int, 3>&]':
../boost/hana/functional/partial.hpp:78:43: required from 'constexpr decltype(auto) boost::hana::partial_t<std::integer_sequence<long unsigned int, _Idx ...>, F, X ...>::operator()(Y&& ...) const & [with Y = {const boost::hana::integral_constant<int, 3>&}; long unsigned int ...n = {0}; F = boost::hana::plus_t; X = {boost::hana::integral_constant<int, 1>}]'
../boost/hana/adjust_if.hpp:53:23: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::helper(boost::hana::true_, X&&) const [with X = const boost::hana::integral_constant<int, 3>&; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; boost::hana::true_ = boost::hana::integral_constant<bool, true>]'
../boost/hana/adjust_if.hpp:63:36: required from 'constexpr decltype(auto) boost::hana::detail::apply_if<Pred, F>::operator()(X&&) const [with X = const boost::hana::integral_constant<int, 3>&; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../boost/hana/transform.hpp:62:42: required from 'constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::transformer<F>::operator()(Xs&& ...) const [with Xs = {const boost::hana::integral_constant<int, 3>&}; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*; S = boost::hana::tuple_tag]'
../boost/hana/basic_tuple.hpp:115:39: required from 'static constexpr decltype(auto) boost::hana::unpack_impl<boost::hana::basic_tuple_tag>::apply(const boost::hana::detail::basic_tuple_impl<std::integer_sequence<long unsigned int, _Idx ...>, Xn ...>&, F&&) [with long unsigned int ...i = {0}; Xn = {boost::hana::integral_constant<int, 3>}; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/unpack.hpp:47:29: [ skipping 2 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 = const boost::hana::tuple<boost::hana::integral_constant<int, 3> >&; F = boost::hana::transform_impl<boost::hana::tuple_tag, boost::hana::when<true> >::transformer<boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >*>]'
../boost/hana/transform.hpp:70:32: required from 'static constexpr auto boost::hana::transform_impl<S, boost::hana::when<boost::hana::Sequence<S>::value> >::apply(Xs&&, F&&) [with Xs = const boost::hana::tuple<boost::hana::integral_constant<int, 3> >&; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >; S = boost::hana::tuple_tag]'
../boost/hana/transform.hpp:40:32: required from 'constexpr auto boost::hana::transform_t::operator()(Xs&&, F&&) const [with Xs = const boost::hana::tuple<boost::hana::integral_constant<int, 3> >&; F = boost::hana::detail::apply_if<boost::hana::id_t, boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> > >]'
../boost/hana/adjust_if.hpp:72:35: required from 'static constexpr auto boost::hana::adjust_if_impl<Fun, boost::hana::when<condition> >::apply(Xs&&, const Pred&, const F&) [with Xs = const boost::hana::tuple<boost::hana::integral_constant<int, 3> >&; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >; Fun = boost::hana::tuple_tag; bool condition = true]'
../boost/hana/adjust_if.hpp:37:31: required from 'constexpr auto boost::hana::adjust_if_t::operator()(Xs&&, const Pred&, const F&) const [with Xs = const boost::hana::tuple<boost::hana::integral_constant<int, 3> >&; Pred = boost::hana::id_t; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::plus_t, boost::hana::integral_constant<int, 1> >]'
../libs/hana/test/issues/github_221.cpp:52:43: required from here
../boost/hana/plus.hpp:51:27: error: 'apply' is not a member of 'Plus' {aka 'boost::hana::plus_impl<boost::hana::integral_constant_tag<int>, boost::hana::integral_constant_tag<int>, void>'}
51 | return Plus::apply(static_cast<X&&>(x), static_cast<Y&&>(y));
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:53:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
53 | BOOST_HANA_CONSTANT_CHECK(hana::equal(l, hana::make_tuple(hana::int_c<4>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:53:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
53 | BOOST_HANA_CONSTANT_CHECK(hana::equal(l, hana::make_tuple(hana::int_c<4>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/issues/github_221.cpp:53:9: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
53 | BOOST_HANA_CONSTANT_CHECK(hana::equal(l, hana::make_tuple(hana::int_c<4>)));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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&)
| ...
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