| warning: method `foo` is never used | |
| --> $DIR/method-return-trait-object-14399.rs:13:14 | |
| | | |
| LL | trait A { fn foo(&self) {} } | |
| | - ^^^ | |
| | | | |
| | method in this trait | |
| | | |
| = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default | |
| warning: 1 warning emitted | |