mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-28 09:36:05 +01:00
5b54286640
Remove the "which is required by `{root_obligation}`" post-script in
"the trait `X` is not implemented for `Y`" explanation in E0277. This
information is already conveyed in the notes explaining requirements,
making it redundant while making the text (particularly in labels)
harder to read.
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
|
LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
|
= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
|
LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
vs the prior
```
error[E0277]: the trait bound `NotCopy: Copy` is not satisfied
--> $DIR/wf-static-type.rs:10:13
|
LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
|
= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
|
LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
22 lines
754 B
Plaintext
22 lines
754 B
Plaintext
error[E0277]: `Error` doesn't implement `Debug`
|
|
--> $DIR/derives-span-Debug-enum-struct-variant.rs:9:6
|
|
|
|
|
LL | #[derive(Debug)]
|
|
| ----- in this derive macro expansion
|
|
...
|
|
LL | x: Error
|
|
| ^^^^^^^^ `Error` cannot be formatted using `{:?}`
|
|
|
|
|
= help: the trait `Debug` is not implemented for `Error`
|
|
= note: add `#[derive(Debug)]` to `Error` or manually `impl Debug for Error`
|
|
= note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
|
|
help: consider annotating `Error` with `#[derive(Debug)]`
|
|
|
|
|
LL + #[derive(Debug)]
|
|
LL | struct Error;
|
|
|
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|