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6efddac288
Expand the primary span of E0277 when the immediate unmet bound is not what the user wrote:
```
error[E0277]: the trait bound `i32: Bar` is not satisfied
--> f100.rs:6:6
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6 | <i32 as Foo>::foo();
| ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
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help: this trait has no implementations, consider adding one
--> f100.rs:2:1
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2 | trait Bar {}
| ^^^^^^^^^
note: required for `i32` to implement `Foo`
--> f100.rs:3:14
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3 | impl<T: Bar> Foo for T {}
| --- ^^^ ^
| |
| unsatisfied trait bound introduced here
```
Fix #40120.
37 lines
1.3 KiB
Plaintext
37 lines
1.3 KiB
Plaintext
error[E0568]: auto traits cannot have super traits or lifetime bounds
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--> $DIR/supertrait-auto-trait.rs:8:17
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LL | auto trait Magic: Copy {}
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| -----^^^^^^ help: remove the super traits or lifetime bounds
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| auto traits cannot have super traits or lifetime bounds
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error[E0277]: the trait bound `NoClone: Copy` is not satisfied
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--> $DIR/supertrait-auto-trait.rs:16:23
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LL | let (a, b) = copy(NoClone);
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| ---- ^^^^^^^ the trait `Copy` is not implemented for `NoClone`, which is required by `NoClone: Magic`
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| required by a bound introduced by this call
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note: required for `NoClone` to implement `Magic`
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--> $DIR/supertrait-auto-trait.rs:8:12
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LL | auto trait Magic: Copy {}
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| ^^^^^
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note: required by a bound in `copy`
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--> $DIR/supertrait-auto-trait.rs:10:12
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LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
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| ^^^^^ required by this bound in `copy`
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help: consider annotating `NoClone` with `#[derive(Copy)]`
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LL + #[derive(Copy)]
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LL | struct NoClone;
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0277, E0568.
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For more information about an error, try `rustc --explain E0277`.
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