rust/tests/ui/nll/match-on-borrowed.stderr

53 lines
1.5 KiB
Plaintext

error[E0503]: cannot use `e` because it was mutably borrowed
--> $DIR/match-on-borrowed.rs:47:11
|
LL | E::V(ref mut x, _) => x,
| --------- `e.0` is borrowed here
...
LL | match e { // Don't know that E uses a tag for its discriminant
| ^ use of borrowed `e.0`
...
LL | x;
| - borrow later used here
error[E0503]: cannot use `*f` because it was mutably borrowed
--> $DIR/match-on-borrowed.rs:61:11
|
LL | E::V(ref mut x, _) => x,
| --------- `f.0` is borrowed here
...
LL | match f { // Don't know that E uses a tag for its discriminant
| ^ use of borrowed `f.0`
...
LL | x;
| - borrow later used here
error[E0503]: cannot use `t` because it was mutably borrowed
--> $DIR/match-on-borrowed.rs:81:5
|
LL | let x = &mut t;
| ------ `t` is borrowed here
LL | match t {
| ^^^^^^^ use of borrowed `t`
...
LL | x;
| - borrow later used here
error[E0381]: used binding `n` isn't initialized
--> $DIR/match-on-borrowed.rs:93:11
|
LL | let n: Never;
| - binding declared here but left uninitialized
LL | match n {}
| ^ `n` used here but it isn't initialized
|
help: consider assigning a value
|
LL | let n: Never = /* value */;
| +++++++++++++
error: aborting due to 4 previous errors
Some errors have detailed explanations: E0381, E0503.
For more information about an error, try `rustc --explain E0381`.