| 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 | |