rust/src/test/ui/borrowck/borrowck-anon-fields-struct.nll.stderr
2018-12-25 21:08:33 -07:00

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error[E0499]: cannot borrow `y.0` as mutable more than once at a time
--> $DIR/borrowck-anon-fields-struct.rs:29:11
|
LL | Y(ref mut a, _) => a
| --------- first mutable borrow occurs here
...
LL | Y(ref mut b, _) => b //~ ERROR cannot borrow
| ^^^^^^^^^ second mutable borrow occurs here
...
LL | *a += 1;
| ------- first borrow later used here
error: aborting due to previous error
For more information about this error, try `rustc --explain E0499`.