rust/tests/ui/async-await/issue-74072-lifetime-name-annotations.stderr

52 lines
1.9 KiB
Plaintext
Raw Normal View History

error[E0506]: cannot assign to `*x` because it is borrowed
--> $DIR/issue-74072-lifetime-name-annotations.rs:9:5
|
LL | pub async fn async_fn(x: &mut i32) -> &i32 {
| - let's call the lifetime of this reference `'1`
LL | let y = &*x;
2023-01-14 21:06:44 -06:00
| --- `*x` is borrowed here
LL | *x += 1;
2023-01-14 21:06:44 -06:00
| ^^^^^^^ `*x` is assigned to here but it was already borrowed
LL | y
| - returning this value requires that `*x` is borrowed for `'1`
error[E0506]: cannot assign to `*x` because it is borrowed
--> $DIR/issue-74072-lifetime-name-annotations.rs:16:9
|
LL | let y = &*x;
2023-01-14 21:06:44 -06:00
| --- `*x` is borrowed here
LL | *x += 1;
2023-01-14 21:06:44 -06:00
| ^^^^^^^ `*x` is assigned to here but it was already borrowed
LL | y
| - returning this value requires that `*x` is borrowed for `'1`
LL | })()
| - return type of async closure is &'1 i32
error[E0506]: cannot assign to `*x` because it is borrowed
--> $DIR/issue-74072-lifetime-name-annotations.rs:24:9
|
LL | (async move || -> &i32 {
| - let's call the lifetime of this reference `'1`
LL | let y = &*x;
2023-01-14 21:06:44 -06:00
| --- `*x` is borrowed here
LL | *x += 1;
2023-01-14 21:06:44 -06:00
| ^^^^^^^ `*x` is assigned to here but it was already borrowed
LL | y
| - returning this value requires that `*x` is borrowed for `'1`
error[E0506]: cannot assign to `*x` because it is borrowed
--> $DIR/issue-74072-lifetime-name-annotations.rs:32:9
|
LL | let y = &*x;
2023-01-14 21:06:44 -06:00
| --- `*x` is borrowed here
LL | *x += 1;
2023-01-14 21:06:44 -06:00
| ^^^^^^^ `*x` is assigned to here but it was already borrowed
LL | y
| - returning this value requires that `*x` is borrowed for `'1`
LL | }
| - return type of async block is &'1 i32
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0506`.