| error[E0277]: `MyError` doesn't implement `std::fmt::Display` | |
| --> $DIR/missing-display.rs:4:1 | |
| | | |
| 4 | pub enum MyError { | |
| | ^^^^^^^^^^^^^^^^ `MyError` cannot be formatted with the default formatter | |
| | | |
| = help: the trait `std::fmt::Display` is not implemented for `MyError` | |
| = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead |