Compile [2024-11-15 18:22:18 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/include" -I"../libs/hana/test/_include" -c -o "/var/boost/run/results/boost/bin.v2/libs/hana/test/test~optional~less.test/gcc-12~c++17/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/optional/less.o" "../libs/hana/test/optional/less.cpp"
In file included from ../boost/hana/detail/operators/orderable.hpp:17,
from ../boost/hana/pair.hpp:21,
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,
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/optional/less.cpp:5:
../boost/hana/fwd/less.hpp: In instantiation of 'struct boost::hana::less_impl<boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, 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::less_impl<boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, void>]'
../boost/hana/concept/orderable.hpp:27:65: required from 'struct boost::hana::Orderable<boost::hana::test::Integer<(boost::hana::test::Policy)33, void> >'
../boost/hana/less.hpp:44:22: required from 'constexpr auto boost::hana::less_t::operator()(X&&, Y&&) const [with X = const boost::hana::test::ct_ord<3>&; Y = const boost::hana::test::ct_ord<4>&]'
../boost/hana/optional.hpp:237:28: required from 'static constexpr auto boost::hana::less_impl<boost::hana::optional_tag, boost::hana::optional_tag>::apply(const boost::hana::optional<T>&, const boost::hana::optional<U>&) [with T = boost::hana::test::ct_ord<3>; U = boost::hana::test::ct_ord<4>]'
../boost/hana/less.hpp:62:27: required from 'constexpr auto boost::hana::less_t::operator()(X&&, Y&&) const [with X = boost::hana::optional<boost::hana::test::ct_ord<3> >; Y = boost::hana::optional<boost::hana::test::ct_ord<4> >]'
../boost/hana/detail/operators/orderable.hpp:35:28: required from 'constexpr auto boost::hana::detail::operators::operator<(X&&, Y&&) [with X = boost::hana::optional<boost::hana::test::ct_ord<3> >; Y = boost::hana::optional<boost::hana::test::ct_ord<4> >; <template-parameter-1-3> = void]'
../libs/hana/test/optional/less.cpp:22:5: required from here
../boost/hana/fwd/less.hpp:42:12: error: ambiguous template instantiation for 'struct boost::hana::less_impl<boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::when<true> >'
42 | struct less_impl : less_impl<T, U, when<true>> { };
| ^~~~~~~~~
In file included from ../boost/hana/concept/orderable.hpp:19,
from ../boost/hana/greater.hpp:15,
from ../libs/hana/test/optional/less.cpp:6:
../boost/hana/less.hpp:67:12: note: candidates are: 'template<class T, class U, bool condition> struct boost::hana::less_impl<T, U, boost::hana::when<condition> > [with T = boost::hana::test::Integer<(boost::hana::test::Policy)33, void>; U = boost::hana::test::Integer<(boost::hana::test::Policy)33, void>; bool condition = true]'
67 | struct less_impl<T, U, when<condition>> : default_ {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/less.hpp:100:12: note: 'template<class C> struct boost::hana::less_impl<C, C, boost::hana::when<(boost::hana::Constant<C>::value && boost::hana::Orderable<typename C::value_type>::value)> > [with C = boost::hana::test::Integer<(boost::hana::test::Policy)33, void>]'
100 | struct less_impl<C, C, when<
| ^~~~~~~~~~~~~~~~~~~~~
101 | hana::Constant<C>::value &&
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
102 | Orderable<typename C::value_type>::value
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
103 | >> {
| ~~
../boost/hana/fwd/less.hpp:42:12: error: invalid use of incomplete type 'struct boost::hana::less_impl<boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::when<true> >'
42 | struct less_impl : less_impl<T, U, when<true>> { };
| ^~~~~~~~~
../boost/hana/fwd/less.hpp:42:12: note: declaration of 'struct boost::hana::less_impl<boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::when<true> >'
../boost/hana/less.hpp: In instantiation of 'constexpr auto boost::hana::less_t::operator()(X&&, Y&&) const [with X = const boost::hana::test::ct_ord<3>&; Y = const boost::hana::test::ct_ord<4>&]':
../boost/hana/optional.hpp:237:28: required from 'static constexpr auto boost::hana::less_impl<boost::hana::optional_tag, boost::hana::optional_tag>::apply(const boost::hana::optional<T>&, const boost::hana::optional<U>&) [with T = boost::hana::test::ct_ord<3>; U = boost::hana::test::ct_ord<4>]'
../boost/hana/less.hpp:62:27: required from 'constexpr auto boost::hana::less_t::operator()(X&&, Y&&) const [with X = boost::hana::optional<boost::hana::test::ct_ord<3> >; Y = boost::hana::optional<boost::hana::test::ct_ord<4> >]'
../boost/hana/detail/operators/orderable.hpp:35:28: required from 'constexpr auto boost::hana::detail::operators::operator<(X&&, Y&&) [with X = boost::hana::optional<boost::hana::test::ct_ord<3> >; Y = boost::hana::optional<boost::hana::test::ct_ord<4> >; <template-parameter-1-3> = void]'
../libs/hana/test/optional/less.cpp:22:5: required from here
../boost/hana/less.hpp:62:27: error: 'apply' is not a member of 'Less' {aka 'boost::hana::less_impl<boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, void>'}
62 | return Less::apply(static_cast<X&&>(x), static_cast<Y&&>(y));
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libs/hana/test/optional/less.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/optional/less.cpp:22:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
22 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<3>{}) < hana::just(ct_ord<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/optional/less.cpp:22:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
22 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<3>{}) < hana::just(ct_ord<4>{}));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
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/optional/less.cpp:22:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
22 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<3>{}) < hana::just(ct_ord<4>{}));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
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
../boost/hana/less.hpp: In instantiation of 'constexpr auto boost::hana::less_t::operator()(X&&, Y&&) const [with X = const boost::hana::test::ct_ord<4>&; Y = const boost::hana::test::ct_ord<3>&]':
../boost/hana/optional.hpp:237:28: required from 'static constexpr auto boost::hana::less_impl<boost::hana::optional_tag, boost::hana::optional_tag>::apply(const boost::hana::optional<T>&, const boost::hana::optional<U>&) [with T = boost::hana::test::ct_ord<4>; U = boost::hana::test::ct_ord<3>]'
../boost/hana/less.hpp:62:27: required from 'constexpr auto boost::hana::less_t::operator()(X&&, Y&&) const [with X = boost::hana::optional<boost::hana::test::ct_ord<4> >; Y = boost::hana::optional<boost::hana::test::ct_ord<3> >]'
../boost/hana/less_equal.hpp:56:41: required from 'static constexpr decltype(auto) boost::hana::less_equal_impl<T, U, boost::hana::when<condition> >::apply(X&&, Y&&) [with X = boost::hana::optional<boost::hana::test::ct_ord<3> >; Y = boost::hana::optional<boost::hana::test::ct_ord<4> >; T = boost::hana::optional_tag; U = boost::hana::optional_tag; bool condition = true]'
../boost/hana/less_equal.hpp:48:32: required from 'constexpr auto boost::hana::less_equal_t::operator()(X&&, Y&&) const [with X = boost::hana::optional<boost::hana::test::ct_ord<3> >; Y = boost::hana::optional<boost::hana::test::ct_ord<4> >]'
../boost/hana/detail/operators/orderable.hpp:49:34: required from 'constexpr auto boost::hana::detail::operators::operator<=(X&&, Y&&) [with X = boost::hana::optional<boost::hana::test::ct_ord<3> >; Y = boost::hana::optional<boost::hana::test::ct_ord<4> >; <template-parameter-1-3> = void]'
../libs/hana/test/optional/less.cpp:23:5: required from here
../boost/hana/less.hpp:62:27: error: 'apply' is not a member of 'Less' {aka 'boost::hana::less_impl<boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, void>'}
62 | return Less::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/optional/less.cpp:23:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
23 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<3>{}) <= hana::just(ct_ord<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/optional/less.cpp:23:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
23 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<3>{}) <= hana::just(ct_ord<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/optional/less.cpp:23:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
23 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<3>{}) <= hana::just(ct_ord<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/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/optional/less.cpp:24:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
24 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<4>{}) > hana::just(ct_ord<3>{}));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:24:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
24 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<4>{}) > hana::just(ct_ord<3>{}));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:24:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
24 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<4>{}) > hana::just(ct_ord<3>{}));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/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/optional/less.cpp:25:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
25 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<4>{}) >= hana::just(ct_ord<3>{}));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:25:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
25 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<4>{}) >= hana::just(ct_ord<3>{}));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:25:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
25 | BOOST_HANA_CONSTANT_CHECK(hana::just(ct_ord<4>{}) >= hana::just(ct_ord<3>{}));
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/detail/operators/logical.hpp:16,
from ../boost/hana/bool.hpp:21:
../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/optional/less.cpp:31:5: 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/optional/less.cpp:31:5: 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/optional/less.cpp:31:5: 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));
| ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:31:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
31 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:31:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
31 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:31:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
31 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/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/optional/less.cpp:35:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
35 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:35:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
35 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:35:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
35 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/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/optional/less.cpp:40:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
40 | BOOST_HANA_CONSTANT_CHECK(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:40:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
40 | BOOST_HANA_CONSTANT_CHECK(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:40:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
40 | BOOST_HANA_CONSTANT_CHECK(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/less.hpp: In instantiation of 'constexpr auto boost::hana::less_t::operator()(X&&, Y&&) const [with X = const boost::hana::test::ct_ord<3>&; Y = const boost::hana::test::ct_ord<3>&]':
../boost/hana/optional.hpp:237:28: required from 'static constexpr auto boost::hana::less_impl<boost::hana::optional_tag, boost::hana::optional_tag>::apply(const boost::hana::optional<T>&, const boost::hana::optional<U>&) [with T = boost::hana::test::ct_ord<3>; U = boost::hana::test::ct_ord<3>]'
../boost/hana/less.hpp:62:27: required from 'constexpr auto boost::hana::less_t::operator()(X&&, Y&&) const [with X = boost::hana::optional<boost::hana::test::ct_ord<3> >; Y = boost::hana::optional<boost::hana::test::ct_ord<3> >]'
../libs/hana/test/optional/less.cpp:44:5: required from here
../boost/hana/less.hpp:62:27: error: 'apply' is not a member of 'Less' {aka 'boost::hana::less_impl<boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, boost::hana::test::Integer<(boost::hana::test::Policy)33, void>, void>'}
62 | return Less::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/optional/less.cpp:44:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
44 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:44:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
44 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:44:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
44 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/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/optional/less.cpp:48:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
48 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:48:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
48 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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/optional/less.cpp:48:5: note: in expansion of macro 'BOOST_HANA_CONSTANT_CHECK'
48 | BOOST_HANA_CONSTANT_CHECK(hana::not_(hana::less(
| ^~~~~~~~~~~~~~~~~~~~~~~~~
../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