error[E0532]: expected unit struct, unit variant or constant, found tuple variant `MyEnum::Tuple`
  --> $DIR/issue-63983.rs:8:9
   |
LL |     Tuple(i32),
   |     ---------- `MyEnum::Tuple` defined here
...
LL |         MyEnum::Tuple => "",
   |         ^^^^^^^^^^^^^ help: use the tuple variant pattern syntax instead: `MyEnum::Tuple(_)`

error[E0533]: expected unit struct, unit variant or constant, found struct variant `MyEnum::Struct`
  --> $DIR/issue-63983.rs:10:9
   |
LL |         MyEnum::Struct => "",
   |         ^^^^^^^^^^^^^^ not a unit struct, unit variant or constant

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0532, E0533.
For more information about an error, try `rustc --explain E0532`.