rust/tests/ui/async-await/issue-61076.stderr
Esteban Küber 62ba3e70a1 Modify primary span label for E0308
The previous output was unintuitive to users.
2023-01-30 20:12:19 +00:00

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error[E0277]: the `?` operator can only be applied to values that implement `Try`
--> $DIR/issue-61076.rs:42:5
|
LL | foo()?;
| ^^^^^^ the `?` operator cannot be applied to type `impl Future<Output = Result<(), ()>>`
|
= help: the trait `Try` is not implemented for `impl Future<Output = Result<(), ()>>`
help: consider `await`ing on the `Future`
|
LL | foo().await?;
| ++++++
error[E0277]: the `?` operator can only be applied to values that implement `Try`
--> $DIR/issue-61076.rs:65:5
|
LL | t?;
| ^^ the `?` operator cannot be applied to type `T`
|
= help: the trait `Try` is not implemented for `T`
help: consider `await`ing on the `Future`
|
LL | t.await?;
| ++++++
error[E0609]: no field `0` on type `impl Future<Output = Tuple>`
--> $DIR/issue-61076.rs:74:26
|
LL | let _: i32 = tuple().0;
| ^ field not available in `impl Future`, but it is available in its `Output`
|
help: consider `await`ing on the `Future` and access the field of its `Output`
|
LL | let _: i32 = tuple().await.0;
| ++++++
error[E0609]: no field `a` on type `impl Future<Output = Struct>`
--> $DIR/issue-61076.rs:78:28
|
LL | let _: i32 = struct_().a;
| ^ field not available in `impl Future`, but it is available in its `Output`
|
help: consider `await`ing on the `Future` and access the field of its `Output`
|
LL | let _: i32 = struct_().await.a;
| ++++++
error[E0599]: no method named `method` found for opaque type `impl Future<Output = Struct>` in the current scope
--> $DIR/issue-61076.rs:82:15
|
LL | struct_().method();
| ^^^^^^ method not found in `impl Future<Output = Struct>`
|
help: consider `await`ing on the `Future` and calling the method on its `Output`
|
LL | struct_().await.method();
| ++++++
error[E0308]: mismatched types
--> $DIR/issue-61076.rs:91:9
|
LL | match tuple() {
| ------- this expression has type `impl Future<Output = Tuple>`
LL |
LL | Tuple(_) => {}
| ^^^^^^^^ expected opaque type, found `Tuple`
|
note: while checking the return type of the `async fn`
--> $DIR/issue-61076.rs:56:21
|
LL | async fn tuple() -> Tuple {
| ^^^^^ checked the `Output` of this `async fn`, expected opaque type
= note: expected opaque type `impl Future<Output = Tuple>`
found struct `Tuple`
help: consider `await`ing on the `Future`
|
LL | match tuple().await {
| ++++++
error: aborting due to 6 previous errors
Some errors have detailed explanations: E0277, E0308, E0599, E0609.
For more information about an error, try `rustc --explain E0277`.