mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 08:44:35 +00:00
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`
```
25 lines
783 B
Plaintext
25 lines
783 B
Plaintext
error[E0277]: the trait bound `T: TraitFoo` is not satisfied
|
|
--> $DIR/copy-impl-cannot-normalize.rs:22:18
|
|
|
|
|
LL | impl<T> Copy for Foo<T> {}
|
|
| ^^^^^^ the trait `TraitFoo` is not implemented for `T`
|
|
|
|
|
note: required for `Foo<T>` to implement `Clone`
|
|
--> $DIR/copy-impl-cannot-normalize.rs:12:9
|
|
|
|
|
LL | impl<T> Clone for Foo<T>
|
|
| ^^^^^ ^^^^^^
|
|
LL | where
|
|
LL | T: TraitFoo,
|
|
| -------- unsatisfied trait bound introduced here
|
|
note: required by a bound in `Copy`
|
|
--> $SRC_DIR/core/src/marker.rs:LL:COL
|
|
help: consider restricting type parameter `T`
|
|
|
|
|
LL | impl<T: TraitFoo> Copy for Foo<T> {}
|
|
| ++++++++++
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|