diff options
Diffstat (limited to 'tests/ui/async-await/async-await-let-else.stderr')
| -rw-r--r-- | tests/ui/async-await/async-await-let-else.stderr | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/tests/ui/async-await/async-await-let-else.stderr b/tests/ui/async-await/async-await-let-else.stderr index b47201502f6..9a1c1782233 100644 --- a/tests/ui/async-await/async-await-let-else.stderr +++ b/tests/ui/async-await/async-await-let-else.stderr @@ -12,30 +12,43 @@ LL | let r = Rc::new(()); | - has type `Rc<()>` which is not `Send` LL | bar().await | ^^^^^ await occurs here, with `r` maybe used later -LL | }; - | - `r` is later dropped here note: required by a bound in `is_send` --> $DIR/async-await-let-else.rs:16:15 | LL | fn is_send<T: Send>(_: T) {} | ^^^^ required by this bound in `is_send` -error: future cannot be sent between threads safely +error[E0277]: `Rc<()>` cannot be sent between threads safely --> $DIR/async-await-let-else.rs:47:13 | +LL | async fn foo2(x: Option<bool>) { + | - within this `impl Future<Output = ()>` +... LL | is_send(foo2(Some(true))); - | ^^^^^^^^^^^^^^^^ future returned by `foo2` is not `Send` + | ------- ^^^^^^^^^^^^^^^^ `Rc<()>` cannot be sent between threads safely + | | + | required by a bound introduced by this call | = help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `Rc<()>` -note: future is not `Send` as this value is used across an await - --> $DIR/async-await-let-else.rs:20:27 - | -LL | bar2(Rc::new(())).await - | ----------- ^^^^^ await occurs here, with `Rc::new(())` maybe used later - | | - | has type `Rc<()>` which is not `Send` -LL | }; - | - `Rc::new(())` is later dropped here +note: required because it's used within this `async fn` body + --> $DIR/async-await-let-else.rs:24:29 + | +LL | async fn bar2<T>(_: T) -> ! { + | _____________________________^ +LL | | panic!() +LL | | } + | |_^ + = note: required because it captures the following types: `impl Future<Output = !>` +note: required because it's used within this `async fn` body + --> $DIR/async-await-let-else.rs:18:32 + | +LL | async fn foo2(x: Option<bool>) { + | ________________________________^ +LL | | let Some(_) = x else { +LL | | bar2(Rc::new(())).await +LL | | }; +LL | | } + | |_^ note: required by a bound in `is_send` --> $DIR/async-await-let-else.rs:16:15 | @@ -53,9 +66,8 @@ note: future is not `Send` as this value is used across an await --> $DIR/async-await-let-else.rs:30:29 | LL | (Rc::new(()), bar().await); - | ----------- ^^^^^ - `Rc::new(())` is later dropped here - | | | - | | await occurs here, with `Rc::new(())` maybe used later + | ----------- ^^^^^ await occurs here, with `Rc::new(())` maybe used later + | | | has type `Rc<()>` which is not `Send` note: required by a bound in `is_send` --> $DIR/async-await-let-else.rs:16:15 @@ -77,9 +89,6 @@ LL | let r = Rc::new(()); | - has type `Rc<()>` which is not `Send` LL | bar().await; | ^^^^^ await occurs here, with `r` maybe used later -... -LL | }; - | - `r` is later dropped here note: required by a bound in `is_send` --> $DIR/async-await-let-else.rs:16:15 | @@ -88,3 +97,4 @@ LL | fn is_send<T: Send>(_: T) {} error: aborting due to 4 previous errors +For more information about this error, try `rustc --explain E0277`. |