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`
```
25 lines
1.1 KiB
Plaintext
25 lines
1.1 KiB
Plaintext
error[E0277]: `<P as Process<'_>>::Item` is not an iterator
|
|
--> $DIR/issue-22872.rs:20:40
|
|
|
|
|
LL | let _: Box<dyn for<'b> Wrap<'b>> = Box::new(Wrapper(process));
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `<P as Process<'_>>::Item` is not an iterator
|
|
|
|
|
= help: the trait `Iterator` is not implemented for `<P as Process<'_>>::Item`
|
|
note: required for `Wrapper<P>` to implement `for<'b> Wrap<'b>`
|
|
--> $DIR/issue-22872.rs:7:13
|
|
|
|
|
LL | impl<'b, P> Wrap<'b> for Wrapper<P>
|
|
| ^^^^^^^^ ^^^^^^^^^^
|
|
LL | where P: Process<'b>,
|
|
LL | <P as Process<'b>>::Item: Iterator {
|
|
| -------- unsatisfied trait bound introduced here
|
|
= note: required for the cast from `Box<Wrapper<P>>` to `Box<dyn for<'b> Wrap<'b>>`
|
|
help: consider further restricting the associated type
|
|
|
|
|
LL | fn push_process<P>(process: P) where P: Process<'static>, <P as Process<'_>>::Item: Iterator {
|
|
| ++++++++++++++++++++++++++++++++++++
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|