| $ cargo run |
| Compiling traits-example v0.1.0 (file:///projects/traits-example) |
| error[E0277]: `Point` doesn't implement `std::fmt::Display` |
| --> src/main.rs:20:6 |
| | |
| 20 | impl OutlinePrint for Point {} |
| | ^^^^^^^^^^^^ `Point` cannot be formatted with the default formatter |
| | |
| = help: the trait `std::fmt::Display` is not implemented for `Point` |
| = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
| error: could not compile `traits-example`. |
| |
| To learn more, run the command again with --verbose. |
