error[E0368]: binary assignment operation `+=` cannot be applied to type `&isize` | |
--> $DIR/issue-5239-1.rs:4:30 | |
| | |
LL | let x = |ref x: isize| { x += 1; }; | |
| -^^^^^ | |
| | | |
| cannot use `+=` on type `&isize` | |
| | |
help: `+=` can be used on 'isize', you can dereference `x` | |
| | |
LL | let x = |ref x: isize| { *x += 1; }; | |
| ^^ | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0368`. |