| error[E0301]: cannot mutably borrow in a pattern guard |
| --> $DIR/E0301.rs:4:19 |
| | |
| LL | option if option.take().is_none() => {}, |
| | ^^^^^^ borrowed mutably in pattern guard |
| | |
| = help: add `#![feature(bind_by_move_pattern_guards)]` to the crate attributes to enable |
| |
| error[E0596]: cannot borrow `option` as mutable, as it is immutable for the pattern guard |
| --> $DIR/E0301.rs:4:19 |
| | |
| LL | option if option.take().is_none() => {}, |
| | ^^^^^^ cannot borrow as mutable |
| | |
| = note: variables bound in patterns are immutable until the end of the pattern guard |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0301, E0596. |
| For more information about an error, try `rustc --explain E0301`. |
