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
793 B
Plaintext
25 lines
793 B
Plaintext
error[E0277]: the trait bound `T: Copy` is not satisfied
|
|
--> $DIR/issue-43784-supertrait.rs:8:22
|
|
|
|
|
LL | impl<T> Complete for T {}
|
|
| ^ the trait `Copy` is not implemented for `T`
|
|
|
|
|
note: required for `T` to implement `Partial`
|
|
--> $DIR/issue-43784-supertrait.rs:1:11
|
|
|
|
|
LL | pub trait Partial: Copy {
|
|
| ^^^^^^^
|
|
note: required by a bound in `Complete`
|
|
--> $DIR/issue-43784-supertrait.rs:4:21
|
|
|
|
|
LL | pub trait Complete: Partial {
|
|
| ^^^^^^^ required by this bound in `Complete`
|
|
help: consider restricting type parameter `T`
|
|
|
|
|
LL | impl<T: std::marker::Copy> Complete for T {}
|
|
| +++++++++++++++++++
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|