| error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure |
| --> $DIR/issue-21600.rs:14:20 |
| | |
| LL | fn call_it<F>(f: F) where F: Fn() { f(); } |
| | - change this to accept `FnMut` instead of `Fn` |
| ... |
| LL | call_it(|| x.gen_mut()); |
| | ------- ^ cannot borrow as mutable |
| | | |
| | expects `Fn` instead of `FnMut` |
| |
| error[E0596]: cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure |
| --> $DIR/issue-21600.rs:14:17 |
| | |
| LL | fn call_it<F>(f: F) where F: Fn() { f(); } |
| | - change this to accept `FnMut` instead of `Fn` |
| ... |
| LL | call_it(|| { |
| | _____-------_- |
| | | | |
| | | expects `Fn` instead of `FnMut` |
| LL | | call_it(|| x.gen()); |
| LL | | call_it(|| x.gen_mut()); |
| | | ^^ - mutable borrow occurs due to use of `x` in closure |
| | | | |
| | | cannot borrow as mutable |
| LL | | |
| LL | | |
| LL | | }); |
| | |_____- in this closure |
| |
| error: aborting due to 2 previous errors |
| |
| For more information about this error, try `rustc --explain E0596`. |
