"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~ext~boost~tuple~iterable.test/gcc-12~c++17/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/ext/boost/tuple/iterable.o" "../libs/hana/test/ext/boost/tuple/iterable.cpp"

In file included from ../boost/hana/basic_tuple.hpp:28,
                 from ../boost/hana/functional/partial.hpp:13,
                 from ../boost/hana/fold_left.hpp:19,
                 from ../boost/hana/concept/foldable.hpp:19,
                 from ../boost/hana/core/to.hpp:16,
                 from ../boost/hana/bool.hpp:17,
                 from ../boost/hana/ext/boost/tuple.hpp:13,
                 from ../libs/hana/test/ext/boost/tuple/iterable.cpp:5:
../boost/hana/fwd/unpack.hpp: In instantiation of 'struct boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>':
../boost/hana/core/default.hpp:26:9:   required by substitution of 'template<class Method> struct boost::hana::is_default<Method, decltype ((void)(static_cast<boost::hana::default_>((*(Method*)(0)))))> [with Method = boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>]'
../boost/hana/concept/foldable.hpp:28:65:   required from 'struct boost::hana::Foldable<boost::hana::ext::boost::tuple_tag>'
../boost/hana/fold_left.hpp:28:15:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined]'
../libs/hana/test/_include/laws/foldable.hpp:154:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/fwd/unpack.hpp:84:12: error: ambiguous template instantiation for 'struct boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, boost::hana::when<true> >'
   84 |     struct unpack_impl : unpack_impl<T, when<true>> { };
      |            ^~~~~~~~~~~
In file included from ../boost/hana/fold_left.hpp:20:
../boost/hana/unpack.hpp:52:12: note: candidates are: 'template<class T, bool condition> struct boost::hana::unpack_impl<T, boost::hana::when<condition> > [with T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
   52 |     struct unpack_impl<T, when<condition>> : default_ {
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/unpack.hpp:62:12: note:                 'template<class It> struct boost::hana::unpack_impl<It, boost::hana::when<(boost::hana::Iterable<It>::value && (! boost::hana::is_default<boost::hana::length_impl<It> >::value))> > [with It = boost::hana::ext::boost::tuple_tag]'
   62 |     struct unpack_impl<It, when<
      |            ^~~~~~~~~~~~~~~~~~~~~
   63 |         hana::Iterable<It>::value && !is_default<length_impl<It>>::value
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   64 |     >> {
      |     ~~      
../boost/hana/fwd/unpack.hpp:84:12: error: invalid use of incomplete type 'struct boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, boost::hana::when<true> >'
   84 |     struct unpack_impl : unpack_impl<T, when<true>> { };
      |            ^~~~~~~~~~~
../boost/hana/fwd/unpack.hpp:84:12: note: declaration of 'struct boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, boost::hana::when<true> >'
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<>; F = boost::hana::detail::variadic_foldl1<boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined]'
../libs/hana/test/_include/laws/foldable.hpp:154:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
   47 |         return Unpack::apply(static_cast<Xs&&>(xs), static_cast<F&&>(f));
      |                ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1> >; F = boost::hana::detail::variadic_foldl1<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1> >; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1> >; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:159:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2> >; F = boost::hana::detail::variadic_foldl1<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2> >; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2> >; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:163:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; F = boost::hana::detail::variadic_foldl1<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:167:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3>, boost::hana::test::_constant<4> >; F = boost::hana::detail::variadic_foldl1<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3>, boost::hana::test::_constant<4> >; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3>, boost::hana::test::_constant<4> >; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:171:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<int>; F = boost::hana::detail::variadic_foldl1<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<int>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<int>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:176:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<int, char>; F = boost::hana::detail::variadic_foldl1<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<int, char>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<int, char>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:180:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<int, char, double>; F = boost::hana::detail::variadic_foldl1<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<int, char, double>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<int, char, double>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:184:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<int, char, double, float>; F = boost::hana::detail::variadic_foldl1<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_left.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<int, char, double, float>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:37:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<int, char, double, float>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:188:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999> >; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::detail::variadic::foldl1_t, boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined>]':
../boost/hana/fold_left.hpp:87:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999> >; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:54:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999> >; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined]'
../libs/hana/test/_include/laws/foldable.hpp:196:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2> >; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::detail::variadic::foldl1_t, boost::hana::test::_injection<0> >]':
../boost/hana/fold_left.hpp:87:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2> >; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:54:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2> >; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:200:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::detail::variadic::foldl1_t, boost::hana::test::_injection<0> >]':
../boost/hana/fold_left.hpp:87:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:54:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:204:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3>, boost::hana::test::_constant<4> >; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::detail::variadic::foldl1_t, boost::hana::test::_injection<0> >]':
../boost/hana/fold_left.hpp:87:32:   required from 'static constexpr decltype(auto) boost::hana::fold_left_impl<T, boost::hana::when<condition> >::apply(Xs&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3>, boost::hana::test::_constant<4> >; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_left.hpp:54:31:   required from 'constexpr decltype(auto) boost::hana::fold_left_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3>, boost::hana::test::_constant<4> >; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:208:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<>; F = boost::hana::detail::variadic_foldr<boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined]'
../libs/hana/test/_include/laws/foldable.hpp:216:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0> >; F = boost::hana::detail::variadic_foldr<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0> >; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0> >; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:221:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1> >; F = boost::hana::detail::variadic_foldr<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1> >; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1> >; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:225:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1>, boost::hana::test::_constant<2> >; F = boost::hana::detail::variadic_foldr<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1>, boost::hana::test::_constant<2> >; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1>, boost::hana::test::_constant<2> >; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:229:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; F = boost::hana::detail::variadic_foldr<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<0>, boost::hana::test::_constant<1>, boost::hana::test::_constant<2>, boost::hana::test::_constant<3> >; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:233:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<int>; F = boost::hana::detail::variadic_foldr<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<int>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<int>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:239:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<int, char>; F = boost::hana::detail::variadic_foldr<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<int, char>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<int, char>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:243:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<int, char, double>; F = boost::hana::detail::variadic_foldr<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<int, char, double>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<int, char, double>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:247:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<int, char, double, float>; F = boost::hana::detail::variadic_foldr<boost::hana::test::_injection<0>&, boost::hana::test::_constant<999>&>]':
../boost/hana/fold_right.hpp:79:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, S&&, F&&) [with Xs = boost::tuples::tuple<int, char, double, float>; S = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:37:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, State&&, F&&) const [with Xs = boost::tuples::tuple<int, char, double, float>; State = boost::hana::test::_constant<999>&; F = boost::hana::test::_injection<0>&]'
../libs/hana/test/_include/laws/foldable.hpp:251:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::hana::test::ct_eq<2>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type> >; S = boost::hana::ext::boost::tuple_tag]'
../libs/hana/test/ext/boost/tuple/iterable.cpp:34:68:   required from here
../boost/hana/unpack.hpp:47:29: error: 'apply' is not a member of 'Unpack' {aka 'boost::hana::unpack_impl<boost::hana::ext::boost::tuple_tag, void>'}
../boost/hana/unpack.hpp: In instantiation of 'constexpr decltype(auto) boost::hana::unpack_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999> >; F = boost::hana::partial_t<std::integer_sequence<long unsigned int, 0>, boost::hana::detail::variadic::foldr1_t, boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined>]':
../boost/hana/fold_right.hpp:87:32:   required from 'static constexpr decltype(auto) boost::hana::fold_right_impl<T, boost::hana::when<condition> >::apply(Xs&&, F&&) [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999> >; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined; T = boost::hana::ext::boost::tuple_tag; bool condition = true]'
../boost/hana/fold_right.hpp:54:32:   required from 'constexpr decltype(auto) boost::hana::fold_right_t::operator()(Xs&&, F&&) const [with Xs = boost::tuples::tuple<boost::hana::test::_constant<999> >; F = boost::hana::test::TestFoldable<boost::hana::ext::boost::tuple_tag>::undefined]'
../libs/hana/test/_include/laws/foldable.hpp:259:13:   required from 'boost::hana::test::TestFoldable<S, boost::hana::when<boost::hana::Sequence<S>::value> >::TestFoldable(Xs) [with Xs = boost::hana::tuple<boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>, boost::tuples::tuple<boost::hana::test::ct_eq<0>, boost::hana::test::ct_eq<1>, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::t...

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