error[E0277]: `MyError` doesn't implement `std::fmt::Display`
--> tests/ui/missing-display.rs:4:10
|
3 | #[derive(Error, Debug)]
| ----- in this derive macro expansion
4 | pub enum MyError {
| ^^^^^^^ unsatisfied trait bound
|
help: the trait `std::fmt::Display` is not implemented for `MyError`
--> tests/ui/missing-display.rs:4:1
|
4 | pub enum MyError {
| ^^^^^^^^^^^^^^^^
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`
= note: this error originates in the derive macro `Error` (in Nightly builds, run with -Z macro-backtrace for more info)