rust-book-cn/listings/ch19-advanced-features/no-listing-02-impl-outlineprint-for-point/output.txt

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2021-05-09 14:49:31 +08:00
$ 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
|
3 | trait OutlinePrint: fmt::Display {
| ------------ required by this bound in `OutlinePrint`
...
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.