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
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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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
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LL | static FOO: IsCopy<Option<NotCopy>> = IsCopy { t: None };
| ^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `NotCopy`, which is required by `Option<NotCopy>: Copy`
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= note: required for `Option<NotCopy>` to implement `Copy`
note: required by a bound in `IsCopy`
--> $DIR/wf-static-type.rs:7:17
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LL | struct IsCopy<T:Copy> { t: T }
| ^^^^ required by this bound in `IsCopy`
```
38 lines
1.4 KiB
Plaintext
38 lines
1.4 KiB
Plaintext
error[E0276]: impl has stricter requirements than trait
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--> $DIR/issue-55872-1.rs:12:15
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LL | fn foo<T>() -> Self::E;
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| ----------------------- definition of `foo` from trait
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...
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LL | fn foo<T: Default>() -> Self::E {
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| ^^^^^^^ impl has extra requirement `T: Default`
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error[E0277]: the trait bound `S: Copy` is not satisfied in `(S, T)`
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--> $DIR/issue-55872-1.rs:12:29
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LL | fn foo<T: Default>() -> Self::E {
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| ^^^^^^^ within `(S, T)`, the trait `Copy` is not implemented for `S`
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= note: required because it appears within the type `(S, T)`
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help: consider further restricting this bound
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LL | impl<S: Default + std::marker::Copy> Bar for S {
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| +++++++++++++++++++
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error[E0277]: the trait bound `T: Copy` is not satisfied in `(S, T)`
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--> $DIR/issue-55872-1.rs:12:29
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LL | fn foo<T: Default>() -> Self::E {
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| ^^^^^^^ within `(S, T)`, the trait `Copy` is not implemented for `T`
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= note: required because it appears within the type `(S, T)`
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help: consider further restricting this bound
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LL | fn foo<T: Default + std::marker::Copy>() -> Self::E {
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| +++++++++++++++++++
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0276, E0277.
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For more information about an error, try `rustc --explain E0276`.
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