diff options
Diffstat (limited to 'boost/hana/basic_tuple.hpp')
| -rw-r--r-- | boost/hana/basic_tuple.hpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/boost/hana/basic_tuple.hpp b/boost/hana/basic_tuple.hpp index 50af4e33f5..8651e464bf 100644 --- a/boost/hana/basic_tuple.hpp +++ b/boost/hana/basic_tuple.hpp @@ -259,8 +259,9 @@ BOOST_HANA_NAMESPACE_BEGIN template <> struct is_empty_impl<basic_tuple_tag> { template <typename ...Xs> - static constexpr auto apply(basic_tuple<Xs...> const&) - { return hana::bool_c<sizeof...(Xs) == 0>; } + static constexpr hana::bool_<sizeof...(Xs) == 0> + apply(basic_tuple<Xs...> const&) + { return {}; } }; ////////////////////////////////////////////////////////////////////////// |