rust/tests/ui/async-await/suggest-missing-await.stderr
2023-01-11 09:32:08 +00:00

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error[E0308]: mismatched types
--> $DIR/suggest-missing-await.rs:12:14
|
LL | take_u32(x)
| -------- ^ expected `u32`, found opaque type
| |
| arguments to this function are incorrect
|
note: while checking the return type of the `async fn`
--> $DIR/suggest-missing-await.rs:5:24
|
LL | async fn make_u32() -> u32 {
| ^^^ checked the `Output` of this `async fn`, found opaque type
= note: expected type `u32`
found opaque type `impl Future<Output = u32>`
note: function defined here
--> $DIR/suggest-missing-await.rs:3:4
|
LL | fn take_u32(_x: u32) {}
| ^^^^^^^^ -------
help: consider `await`ing on the `Future`
|
LL | take_u32(x.await)
| ++++++
error[E0308]: mismatched types
--> $DIR/suggest-missing-await.rs:22:5
|
LL | dummy()
| ^^^^^^^ expected `()`, found opaque type
|
note: while checking the return type of the `async fn`
--> $DIR/suggest-missing-await.rs:18:18
|
LL | async fn dummy() {}
| ^ checked the `Output` of this `async fn`, found opaque type
= note: expected unit type `()`
found opaque type `impl Future<Output = ()>`
help: consider `await`ing on the `Future`
|
LL | dummy().await
| ++++++
help: consider using a semicolon here
|
LL | dummy();
| +
error[E0308]: `if` and `else` have incompatible types
--> $DIR/suggest-missing-await.rs:35:9
|
LL | let _x = if true {
| ______________-
LL | | dummy()
| | ------- expected because of this
LL | |
LL | | } else {
LL | | dummy().await
| | ^^^^^^^^^^^^^ expected opaque type, found `()`
LL | |
LL | | };
| |_____- `if` and `else` have incompatible types
|
note: while checking the return type of the `async fn`
--> $DIR/suggest-missing-await.rs:18:18
|
LL | async fn dummy() {}
| ^ checked the `Output` of this `async fn`, expected opaque type
= note: expected opaque type `impl Future<Output = ()>`
found unit type `()`
help: consider `await`ing on the `Future`
|
LL | dummy().await
| ++++++
error[E0308]: `match` arms have incompatible types
--> $DIR/suggest-missing-await.rs:45:14
|
LL | let _x = match 0usize {
| ______________-
LL | | 0 => dummy(),
| | ------- this is found to be of type `impl Future<Output = ()>`
LL | | 1 => dummy(),
| | ------- this is found to be of type `impl Future<Output = ()>`
LL | | 2 => dummy().await,
| | ^^^^^^^^^^^^^ expected opaque type, found `()`
LL | |
LL | | };
| |_____- `match` arms have incompatible types
|
note: while checking the return type of the `async fn`
--> $DIR/suggest-missing-await.rs:18:18
|
LL | async fn dummy() {}
| ^ checked the `Output` of this `async fn`, expected opaque type
= note: expected opaque type `impl Future<Output = ()>`
found unit type `()`
help: consider `await`ing on the `Future`
|
LL ~ 0 => dummy().await,
LL ~ 1 => dummy().await,
|
error[E0308]: mismatched types
--> $DIR/suggest-missing-await.rs:53:9
|
LL | let _x = match dummy() {
| ------- this expression has type `impl Future<Output = ()>`
LL | () => {}
| ^^ expected opaque type, found `()`
|
note: while checking the return type of the `async fn`
--> $DIR/suggest-missing-await.rs:18:18
|
LL | async fn dummy() {}
| ^ checked the `Output` of this `async fn`, expected opaque type
= note: expected opaque type `impl Future<Output = ()>`
found unit type `()`
help: consider `await`ing on the `Future`
|
LL | let _x = match dummy().await {
| ++++++
error[E0308]: mismatched types
--> $DIR/suggest-missing-await.rs:67:9
|
LL | match dummy_result() {
| -------------- this expression has type `impl Future<Output = Result<(), ()>>`
...
LL | Ok(_) => {}
| ^^^^^ expected opaque type, found enum `Result`
|
note: while checking the return type of the `async fn`
--> $DIR/suggest-missing-await.rs:57:28
|
LL | async fn dummy_result() -> Result<(), ()> {
| ^^^^^^^^^^^^^^ checked the `Output` of this `async fn`, expected opaque type
= note: expected opaque type `impl Future<Output = Result<(), ()>>`
found enum `Result<_, _>`
help: consider `await`ing on the `Future`
|
LL | match dummy_result().await {
| ++++++
error[E0308]: mismatched types
--> $DIR/suggest-missing-await.rs:69:9
|
LL | match dummy_result() {
| -------------- this expression has type `impl Future<Output = Result<(), ()>>`
...
LL | Err(_) => {}
| ^^^^^^ expected opaque type, found enum `Result`
|
note: while checking the return type of the `async fn`
--> $DIR/suggest-missing-await.rs:57:28
|
LL | async fn dummy_result() -> Result<(), ()> {
| ^^^^^^^^^^^^^^ checked the `Output` of this `async fn`, expected opaque type
= note: expected opaque type `impl Future<Output = Result<(), ()>>`
found enum `Result<_, _>`
help: consider `await`ing on the `Future`
|
LL | match dummy_result().await {
| ++++++
error: aborting due to 7 previous errors
For more information about this error, try `rustc --explain E0308`.