mirror of https://github.com/rust-lang/rust.git
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`
```
|
||
|---|---|---|
| .. | ||
| leak-check | ||
| subtype | ||
| trait-bounds | ||
| builtin-closure-like-bounds.rs | ||
| closure-bound-codegen-ice.rs | ||
| erroneous-lifetime-bound.rs | ||
| erroneous-lifetime-bound.stderr | ||
| higher-lifetime-bounds.rs | ||
| higher-lifetime-bounds.stderr | ||
| higher-ranked-lifetime-equality.rs | ||
| higher-ranked-lifetime-equality.stderr | ||
| higher-ranked-lifetime-error.rs | ||
| higher-ranked-lifetime-error.stderr | ||
| structually-relate-aliases.rs | ||
| structually-relate-aliases.stderr | ||
| subtyping-fn-ptr-coercion.rs | ||
| well-formed-aliases.rs | ||
| well-formed-aliases.stderr | ||