warning: method `dummy` is never used | |
--> $DIR/enum-null-pointer-opt.rs:10:18 | |
| | |
LL | trait Trait { fn dummy(&self) { } } | |
| ----- ^^^^^ | |
| | | |
| method in this trait | |
| | |
= note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default | |
warning: 1 warning emitted | |