rust/src/test/ui/async-await/async-block-control-flow-static-semantics.stderr
2021-02-06 12:03:48 +02:00

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error[E0267]: `break` inside of an `async` block
--> $DIR/async-block-control-flow-static-semantics.rs:32:9
|
LL | async {
| ___________-
LL | | break 0u8;
| | ^^^^^^^^^ cannot `break` inside of an `async` block
LL | | };
| |_____- enclosing `async` block
error[E0267]: `break` inside of an `async` block
--> $DIR/async-block-control-flow-static-semantics.rs:39:13
|
LL | async {
| _______________-
LL | | break 0u8;
| | ^^^^^^^^^ cannot `break` inside of an `async` block
LL | | };
| |_________- enclosing `async` block
error[E0308]: mismatched types
--> $DIR/async-block-control-flow-static-semantics.rs:21:58
|
LL | async fn return_targets_async_block_not_async_fn() -> u8 {
| __________________________________________________________^
LL | |
LL | | let block = async {
LL | | return 0u8;
... |
LL | |
LL | | }
| |_^ expected `u8`, found `()`
error[E0271]: type mismatch resolving `<impl Future as Future>::Output == ()`
--> $DIR/async-block-control-flow-static-semantics.rs:26:39
|
LL | let _: &dyn Future<Output = ()> = &block;
| ^^^^^^ expected `()`, found `u8`
|
= note: required for the cast to the object type `dyn Future<Output = ()>`
error[E0308]: mismatched types
--> $DIR/async-block-control-flow-static-semantics.rs:12:43
|
LL | fn return_targets_async_block_not_fn() -> u8 {
| --------------------------------- ^^ expected `u8`, found `()`
| |
| implicitly returns `()` as its body has no tail or `return` expression
error[E0271]: type mismatch resolving `<impl Future as Future>::Output == ()`
--> $DIR/async-block-control-flow-static-semantics.rs:17:39
|
LL | let _: &dyn Future<Output = ()> = &block;
| ^^^^^^ expected `()`, found `u8`
|
= note: required for the cast to the object type `dyn Future<Output = ()>`
error[E0308]: mismatched types
--> $DIR/async-block-control-flow-static-semantics.rs:47:44
|
LL | fn rethrow_targets_async_block_not_fn() -> Result<u8, MyErr> {
| ---------------------------------- ^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
| |
| implicitly returns `()` as its body has no tail or `return` expression
|
= note: expected enum `Result<u8, MyErr>`
found unit type `()`
error[E0308]: mismatched types
--> $DIR/async-block-control-flow-static-semantics.rs:56:50
|
LL | fn rethrow_targets_async_block_not_async_fn() -> Result<u8, MyErr> {
| ---------------------------------------- ^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
| |
| implicitly returns `()` as its body has no tail or `return` expression
|
= note: expected enum `Result<u8, MyErr>`
found unit type `()`
error: aborting due to 8 previous errors
Some errors have detailed explanations: E0267, E0271, E0308.
For more information about an error, try `rustc --explain E0267`.