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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.
18 lines
805 B
Plaintext
18 lines
805 B
Plaintext
error[E0277]: `[(); _]` is not a future
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--> $DIR/unresolved-ct-var.rs:6:45
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LL | let s = std::array::from_fn(|_| ()).await;
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| ----------------------------^^^^^
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| | ||
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| | |`[(); _]` is not a future
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| | help: remove the `.await`
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| this call returns `[(); _]`
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= help: the trait `Future` is not implemented for `[(); _]`, which is required by `[(); _]: IntoFuture`
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= note: [(); _] must be a future or must implement `IntoFuture` to be awaited
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= note: required for `[(); _]` to implement `IntoFuture`
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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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