mirror of https://github.com/rust-lang-ru/book.git
funkill2
4 years ago
73 changed files with 106 additions and 360 deletions
@ -1,33 +1,31 @@
@@ -1,33 +1,31 @@
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$ cargo run |
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Compiling structs v0.1.0 (file:///projects/structs) |
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error[E0106]: missing lifetime specifier |
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--> src/main.rs:2:15 |
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--> src/main.rs:3:15 |
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2 | username: &str, |
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3 | username: &str, |
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| ^ expected named lifetime parameter |
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help: consider introducing a named lifetime parameter |
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1 | struct User<'a> { |
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2 | username: &'a str, |
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2 | active: bool, |
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3 | username: &'a str, |
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error[E0106]: missing lifetime specifier |
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--> src/main.rs:3:12 |
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--> src/main.rs:4:12 |
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3 | email: &str, |
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4 | email: &str, |
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| ^ expected named lifetime parameter |
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help: consider introducing a named lifetime parameter |
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1 | struct User<'a> { |
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2 | username: &str, |
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3 | email: &'a str, |
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2 | active: bool, |
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3 | username: &str, |
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4 | email: &'a str, |
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error: aborting due to 2 previous errors |
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For more information about this error, try `rustc --explain E0106`. |
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error: could not compile `structs` |
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To learn more, run the command again with --verbose. |
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error: could not compile `structs` due to 2 previous errors |
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@ -1,20 +1,16 @@
@@ -1,20 +1,16 @@
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$ cargo run |
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Compiling error-handling v0.1.0 (file:///projects/error-handling) |
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error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) |
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--> src/main.rs:4:36 |
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3 | / fn main() { |
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4 | | let f = File::open("hello.txt")?; |
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| | ^ cannot use the `?` operator in a function that returns `()` |
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5 | | } |
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| |_- this function should return `Result` or `Option` to accept `?` |
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= help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()` |
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= note: required by `from_residual` |
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error: aborting due to previous error |
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--> src/main.rs:4:36 |
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3 | / fn main() { |
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4 | | let f = File::open("hello.txt")?; |
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| | ^ cannot use the `?` operator in a function that returns `()` |
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5 | | } |
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| |_- this function should return `Result` or `Option` to accept `?` |
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= help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()` |
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note: required by `from_residual` |
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For more information about this error, try `rustc --explain E0277`. |
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error: could not compile `error-handling` |
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To learn more, run the command again with --verbose. |
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error: could not compile `error-handling` due to previous error |
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@ -1,17 +1,13 @@
@@ -1,17 +1,13 @@
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$ cargo build |
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Compiling gui v0.1.0 (file:///projects/gui) |
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error[E0038]: the trait `Clone` cannot be made into an object |
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--> src/lib.rs:2:21 |
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--> src/lib.rs:2:29 |
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2 | pub components: Vec<Box<dyn Clone>>, |
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| ^^^^^^^^^^^^^^^^^^^ `Clone` cannot be made into an object |
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| ^^^^^^^^^ `Clone` cannot be made into an object |
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= note: the trait cannot be made into an object because it requires `Self: Sized` |
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= note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety> |
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error: aborting due to previous error |
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For more information about this error, try `rustc --explain E0038`. |
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error: could not compile `gui` |
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To learn more, run the command again with --verbose. |
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error: could not compile `gui` due to previous error |
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