trpl-zh-cn/listings/ch17-oop/listing-17-10/output.txt

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$ cargo run
Compiling gui v0.1.0 (file:///projects/gui)
error[E0277]: the trait bound `String: Draw` is not satisfied
--> src/main.rs:5:26
|
5 | components: vec![Box::new(String::from("Hi"))],
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Draw` is not implemented for `String`
|
= help: the trait `Draw` is implemented for `Button`
= note: required for the cast from `Box<String>` to `Box<dyn Draw>`
For more information about this error, try `rustc --explain E0277`.
error: could not compile `gui` (bin "gui") due to 1 previous error