error[E0596]: cannot borrow `f` as mutable, as it is not declared as mutable | |
--> $DIR/issue-84044-drop-non-mut.rs:5:10 | |
| | |
LL | drop(&mut f); | |
| ^^^^^^ cannot borrow as mutable | |
| | |
help: consider changing this to be mutable | |
| | |
LL | let mut f = || {}; | |
| +++ | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0596`. |