rust-book-cn/listings/ch05-using-structs-to-structure-related-data/output-only-01-debug/output.txt

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2021-05-09 14:49:31 +08:00
$ cargo run
Compiling rectangles v0.1.0 (file:///projects/rectangles)
error[E0277]: `Rectangle` doesn't implement `Debug`
--> src/main.rs:12:31
|
12 | println!("rect1 is {:?}", rect1);
| ^^^^^ `Rectangle` cannot be formatted using `{:?}`
|
= help: the trait `Debug` is not implemented for `Rectangle`
= note: add `#[derive(Debug)]` or manually implement `Debug`
= note: required by `std::fmt::Debug::fmt`
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
error: could not compile `rectangles`
To learn more, run the command again with --verbose.