error[E0632]: cannot provide explicit generic arguments when `impl Trait` is used in argument position
  --> $DIR/universal-turbofish-in-method-issue-50950.rs:14:24
   |
LL |     evt.handle_event::<TestEvent, fn(TestEvent)>(|_evt| {
   |                        ^^^^^^^^^  ^^^^^^^^^^^^^ explicit generic argument not allowed
   |                        |
   |                        explicit generic argument not allowed

error: aborting due to previous error