tests/ui/async-await/async-block-control-flow-static-semantics.stderr

   1 error[E0267]: `break` inside of an `async` block
   2   --> $DIR/async-block-control-flow-static-semantics.rs:32:9
   3    |
   4 LL | /     async {
   5 LL | |         break 0u8;
   6    | |         ^^^^^^^^^ cannot `break` inside of an `async` block
   7 LL | |     };
   8    | |_____- enclosing `async` block
   9
  10 error[E0267]: `break` inside of an `async` block
  11   --> $DIR/async-block-control-flow-static-semantics.rs:39:13
  12    |
  13 LL | /         async {
  14 LL | |             break 0u8;
  15    | |             ^^^^^^^^^ cannot `break` inside of an `async` block
  16 LL | |         };
  17    | |_________- enclosing `async` block
  18
  19 error[E0308]: mismatched types
  20   --> $DIR/async-block-control-flow-static-semantics.rs:21:58
  21    |
  22 LL |   async fn return_targets_async_block_not_async_fn() -> u8 {
  23    |  __________________________________________________________^
  24 LL | |
  25 LL | |     let block = async {
  26 LL | |         return 0u8;
  27 ...  |
  28 LL | |
  29 LL | | }
  30    | |_^ expected `u8`, found `()`
  31
  32 error[E0271]: expected `[async block@$DIR/async-block-control-flow-static-semantics.rs:23:17: 25:6]` to be a future that resolves to `()`, but it resolves to `u8`
  33   --> $DIR/async-block-control-flow-static-semantics.rs:26:39
  34    |
  35 LL |     let _: &dyn Future<Output = ()> = &block;
  36    |                                       ^^^^^^ expected `()`, found `u8`
  37    |
  38    = note: required for the cast from `[async block@$DIR/async-block-control-flow-static-semantics.rs:23:17: 25:6]` to the object type `dyn Future<Output = ()>`
  39
  40 error[E0308]: mismatched types
  41   --> $DIR/async-block-control-flow-static-semantics.rs:12:43
  42    |
  43 LL | fn return_targets_async_block_not_fn() -> u8 {
  44    |    ---------------------------------      ^^ expected `u8`, found `()`
  45    |    |
  46    |    implicitly returns `()` as its body has no tail or `return` expression
  47
  48 error[E0271]: expected `[async block@$DIR/async-block-control-flow-static-semantics.rs:14:17: 16:6]` to be a future that resolves to `()`, but it resolves to `u8`
  49   --> $DIR/async-block-control-flow-static-semantics.rs:17:39
  50    |
  51 LL |     let _: &dyn Future<Output = ()> = &block;
  52    |                                       ^^^^^^ expected `()`, found `u8`
  53    |
  54    = note: required for the cast from `[async block@$DIR/async-block-control-flow-static-semantics.rs:14:17: 16:6]` to the object type `dyn Future<Output = ()>`
  55
  56 error[E0308]: mismatched types
  57   --> $DIR/async-block-control-flow-static-semantics.rs:49:44
  58    |
  59 LL | fn rethrow_targets_async_block_not_fn() -> Result<u8, MyErr> {
  60    |    ----------------------------------      ^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
  61    |    |
  62    |    implicitly returns `()` as its body has no tail or `return` expression
  63    |
  64    = note:   expected enum `Result<u8, MyErr>`
  65            found unit type `()`
  66
  67 error[E0308]: mismatched types
  68   --> $DIR/async-block-control-flow-static-semantics.rs:58:50
  69    |
  70 LL | fn rethrow_targets_async_block_not_async_fn() -> Result<u8, MyErr> {
  71    |    ----------------------------------------      ^^^^^^^^^^^^^^^^^ expected enum `Result`, found `()`
  72    |    |
  73    |    implicitly returns `()` as its body has no tail or `return` expression
  74    |
  75    = note:   expected enum `Result<u8, MyErr>`
  76            found unit type `()`
  77
  78 error: aborting due to 8 previous errors
  79
  80 Some errors have detailed explanations: E0267, E0271, E0308.
  81 For more information about an error, try `rustc --explain E0267`.