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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.
22 lines
887 B
Plaintext
22 lines
887 B
Plaintext
error[E0277]: the trait bound `&[i8]: From<&[u8]>` is not satisfied
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--> $DIR/issue-71394-no-from-impl.rs:8:25
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LL | let _: &[i8] = data.into();
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| ^^^^ the trait `From<&[u8]>` is not implemented for `&[i8]`, which is required by `&[u8]: Into<_>`
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= help: the following other types implement trait `From<T>`:
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<[bool; N] as From<Mask<T, N>>>
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<[T; N] as From<Simd<T, N>>>
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<[T; 1] as From<(T,)>>
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<[T; 2] as From<(T, T)>>
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<[T; 3] as From<(T, T, T)>>
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<[T; 4] as From<(T, T, T, T)>>
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<[T; 5] as From<(T, T, T, T, T)>>
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<[T; 6] as From<(T, T, T, T, T, T)>>
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and 6 others
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= note: required for `&[u8]` to implement `Into<&[i8]>`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0277`.
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