| warning: value assigned to `b` is never read | |
| --> $DIR/general.rs:60:25 | |
| | | |
| LL | (Some(a), &Some(mut b)) => { | |
| | ^^^^^ | |
| | | |
| = help: maybe it is overwritten before being read? | |
| = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default | |
| warning: 1 warning emitted | |