rust-clippy/tests/ui/toplevel_ref_arg_non_rustfix.stderr

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error: `ref` directly on a function argument is ignored. Consider using a reference type instead.
--> $DIR/toplevel_ref_arg_non_rustfix.rs:4:15
|
LL | fn the_answer(ref mut x: u8) {
| ^^^^^^^^^
|
= note: `-D clippy::toplevel-ref-arg` implied by `-D warnings`
error: aborting due to previous error