1 error: `darth` already exists, having another argument having almost the same name makes code comprehension and documentation more difficult
2 --> $DIR/duplicate_underscore_argument.rs:7:23
4 7 | fn join_the_dark_side(darth: i32, _darth: i32) {}
7 note: lint level defined here
8 --> $DIR/duplicate_underscore_argument.rs:4:9
10 4 | #![deny(duplicate_underscore_argument)]
11 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
13 error: aborting due to previous error