| error[E0277]: `MyError` doesn't implement `std::fmt::Display` |
| --> tests/ui/missing-display.rs:4:10 |
| | |
| 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 |
| note: required by a bound in `std::error::Error` |
| --> $RUST/core/src/error.rs |
| | |
| | pub trait Error: Debug + Display { |
| | ^^^^^^^ required by this bound in `Error` |
