projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 29967ef6 XL |
1 | error[E0506]: cannot assign to `*x` because it is borrowed |
| 2 | --> $DIR/issue-74072-lifetime-name-annotations.rs:9:5 | |
| 3 | | | |
| 4 | LL | pub async fn async_fn(x: &mut i32) -> &i32 { | |
| fc512014 | 5 | | - let's call the lifetime of this reference `'1` |
| 29967ef6 XL |
6 | LL | let y = &*x; |
| 7 | | --- borrow of `*x` occurs here | |
| 8 | LL | *x += 1; | |
| 9 | | ^^^^^^^ assignment to borrowed `*x` occurs here | |
| 10 | LL | y | |
| 11 | | - returning this value requires that `*x` is borrowed for `'1` | |
| 12 | ||
| 13 | error[E0506]: cannot assign to `*x` because it is borrowed | |
| 14 | --> $DIR/issue-74072-lifetime-name-annotations.rs:16:9 | |
| 15 | | | |
| 16 | LL | let y = &*x; | |
| 17 | | --- borrow of `*x` occurs here | |
| 18 | LL | *x += 1; | |
| 19 | | ^^^^^^^ assignment to borrowed `*x` occurs here | |
| 20 | LL | y | |
| 21 | | - returning this value requires that `*x` is borrowed for `'1` | |
| 22 | LL | })() | |
| 23 | | - return type of async closure is &'1 i32 | |
| 24 | ||
| 25 | error[E0506]: cannot assign to `*x` because it is borrowed | |
| 26 | --> $DIR/issue-74072-lifetime-name-annotations.rs:24:9 | |
| 27 | | | |
| 28 | LL | (async move || -> &i32 { | |
| 29 | | - let's call the lifetime of this reference `'1` | |
| 30 | LL | let y = &*x; | |
| 31 | | --- borrow of `*x` occurs here | |
| 32 | LL | *x += 1; | |
| 33 | | ^^^^^^^ assignment to borrowed `*x` occurs here | |
| 34 | LL | y | |
| 35 | | - returning this value requires that `*x` is borrowed for `'1` | |
| 36 | ||
| 37 | error[E0506]: cannot assign to `*x` because it is borrowed | |
| 38 | --> $DIR/issue-74072-lifetime-name-annotations.rs:32:9 | |
| 39 | | | |
| 40 | LL | let y = &*x; | |
| 41 | | --- borrow of `*x` occurs here | |
| 42 | LL | *x += 1; | |
| 43 | | ^^^^^^^ assignment to borrowed `*x` occurs here | |
| 44 | LL | y | |
| 45 | | - returning this value requires that `*x` is borrowed for `'1` | |
| 46 | LL | } | |
| 47 | | - return type of async block is &'1 i32 | |
| 48 | ||
| 49 | error: aborting due to 4 previous errors | |
| 50 | ||
| 51 | For more information about this error, try `rustc --explain E0506`. |