rust/tests/ui/async-await/partial-drop-partial-reinit.stderr
Esteban Küber 6efddac288 Provide more context on derived obligation error primary label
Expand the primary span of E0277 when the immediate unmet bound is not what the user wrote:

```
error[E0277]: the trait bound `i32: Bar` is not satisfied
 --> f100.rs:6:6
  |
6 |     <i32 as Foo>::foo();
  |      ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
  |
help: this trait has no implementations, consider adding one
 --> f100.rs:2:1
  |
2 | trait Bar {}
  | ^^^^^^^^^
note: required for `i32` to implement `Foo`
 --> f100.rs:3:14
  |
3 | impl<T: Bar> Foo for T {}
  |         ---  ^^^     ^
  |         |
  |         unsatisfied trait bound introduced here
```

Fix #40120.
2024-01-30 21:28:18 +00:00

36 lines
1.2 KiB
Plaintext

error[E0277]: `NotSend` cannot be sent between threads safely
--> $DIR/partial-drop-partial-reinit.rs:6:16
|
LL | gimme_send(foo());
| ---------- ^^^^^ `NotSend` cannot be sent between threads safely
| |
| required by a bound introduced by this call
...
LL | async fn foo() {
| -------------- within this `impl Future<Output = ()>`
|
= help: within `impl Future<Output = ()>`, the trait `Send` is not implemented for `NotSend`, which is required by `impl Future<Output = ()>: Send`
= note: required because it appears within the type `(NotSend,)`
= note: required because it captures the following types: `(NotSend,)`, `impl Future<Output = ()>`
note: required because it's used within this `async` fn body
--> $DIR/partial-drop-partial-reinit.rs:28:16
|
LL | async fn foo() {
| ________________^
LL | |
LL | |
LL | | let mut x = (NotSend {},);
... |
LL | | bar().await;
LL | | }
| |_^
note: required by a bound in `gimme_send`
--> $DIR/partial-drop-partial-reinit.rs:14:18
|
LL | fn gimme_send<T: Send>(t: T) {
| ^^^^ required by this bound in `gimme_send`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.