rust/tests/ui/unsized-locals/rust-call.stderr
Esteban Küber 6efddac288 Provide more context on derived obligation error primary label
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
  |
6 |     <i32 as Foo>::foo();
  |      ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
  |
help: this trait has no implementations, consider adding one
 --> f100.rs:2:1
  |
2 | trait Bar {}
  | ^^^^^^^^^
note: required for `i32` to implement `Foo`
 --> f100.rs:3:14
  |
3 | impl<T: Bar> Foo for T {}
  |         ---  ^^^     ^
  |         |
  |         unsatisfied trait bound introduced here
```

Fix #40120.
2024-01-30 21:28:18 +00:00

14 lines
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Plaintext

error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
--> $DIR/rust-call.rs:10:7
|
LL | f(*slice);
| ^^^^^^ doesn't have a size known at compile-time
|
= help: within `([u8],)`, the trait `Sized` is not implemented for `[u8]`, which is required by `([u8],): Sized`
= note: required because it appears within the type `([u8],)`
= note: argument required to be sized due to `extern "rust-call"` ABI
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.