diff options
Diffstat (limited to 'lib/events/event.h')
| -rw-r--r-- | lib/events/event.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/events/event.h b/lib/events/event.h index 309ebddf..9f2f4f91 100644 --- a/lib/events/event.h +++ b/lib/events/event.h @@ -327,8 +327,9 @@ inline auto visit(const BaseEventT& event, FnT&& visitor) } namespace _impl { + // Using bool instead of auto below because auto apparently upsets MSVC template <class BaseT, typename FnT> - inline constexpr auto needs_downcast = + inline constexpr bool needs_downcast = std::is_base_of_v<BaseT, std::decay_t<fn_arg_t<FnT>>> && !std::is_same_v<BaseT, std::decay_t<fn_arg_t<FnT>>>; } |