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rust/tests/ui/indexing/point-at-index-for-obligation-failure.stderr

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Always point at index span on index obligation failure Use more targetted span for index obligation failures by rewriting the obligation cause span. CC #66023
2023-11-12 18:52:10 -06:00
error[E0277]: the trait bound `String: Borrow<&str>` is not satisfied
--> $DIR/point-at-index-for-obligation-failure.rs:5:9
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LL | &s
Remove detail from label/note that is already available in other note 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` ```
2024-10-24 16:14:17 -05:00
| ^^ the trait `Borrow<&str>` is not implemented for `String`
Always point at index span on index obligation failure Use more targetted span for index obligation failures by rewriting the obligation cause span. CC #66023
2023-11-12 18:52:10 -06:00
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Add trait diff highlighting logic and use it in E0277 When a trait is not implemented for a type, but there *is* an `impl` for another type or different trait params, we format the output to use highlighting in the same way that E0308 does for types. The logic accounts for 3 cases: - When both the type and trait in the expected predicate and the candidate are different - When only the types are different - When only the trait generic params are different For each case, we use slightly different formatting and wording.
2024-10-24 17:16:43 -05:00
= help: the trait `Borrow<&_>` is not implemented for `String`
but trait `Borrow<_>` is implemented for it
Always point at index span on index obligation failure Use more targetted span for index obligation failures by rewriting the obligation cause span. CC #66023
2023-11-12 18:52:10 -06:00
= help: for that trait implementation, expected `str`, found `&str`
= note: required for `HashMap<String, String>` to implement `Index<&&str>`
Show number in error message even for one error Co-authored-by: Adrian <adrian.iosdev@gmail.com>
2023-11-21 09:44:16 -06:00
error: aborting due to 1 previous error
Always point at index span on index obligation failure Use more targetted span for index obligation failures by rewriting the obligation cause span. CC #66023
2023-11-12 18:52:10 -06:00
For more information about this error, try `rustc --explain E0277`.
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