rust/src/test/ui/borrowck/borrowck-autoref-3261.stderr

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2018-08-08 14:28:26 +02:00
error[E0499]: cannot borrow `x` as mutable more than once at a time
--> $DIR/borrowck-autoref-3261.rs:25:9
|
LL | (&mut x).with(
| - first mutable borrow occurs here
LL | |opt| { //~ ERROR cannot borrow `x` as mutable more than once at a time
| ^^^^^ second mutable borrow occurs here
...
LL | x = X(Either::Left((0, 0)));
| - borrow occurs due to use of `x` in closure
...
LL | })
| - first borrow ends here
error: aborting due to previous error
For more information about this error, try `rustc --explain E0499`.