rust/tests/ui/async-await/issue-84841.stderr
Esteban Küber 65a54a7f27 Tweak multispan rendering
Consider comments and bare delimiters the same as an "empty line" for purposes of hiding rendered code output of long multispans. This results in more aggressive shortening of rendered output without losing too much context, specially in `*.stderr` tests that have "hidden" comments.
2024-12-12 23:36:27 +00:00

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error[E0277]: the `?` operator can only be applied to values that implement `Try`
--> $DIR/issue-84841.rs:9:5
|
LL | test()?;
| ^^^^^^^ the `?` operator cannot be applied to type `impl Future<Output = ()>`
|
= help: the trait `Try` is not implemented for `impl Future<Output = ()>`
error[E0277]: the `?` operator can only be used in an async function that returns `Result` or `Option` (or another type that implements `FromResidual`)
--> $DIR/issue-84841.rs:9:11
|
LL | async fn foo() {
| ________________-
LL | | // Adding an .await here avoids the ICE
LL | | test()?;
| | ^ cannot use the `?` operator in an async function that returns `()`
... |
LL | | }
| |_- this function should return `Result` or `Option` to accept `?`
|
= help: the trait `FromResidual<_>` is not implemented for `()`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0277`.