5 clippy::toplevel_ref_arg,
9 #![warn(clippy::blacklisted_name)]
21 match (42, Some(1337), Some(0)) {
22 (foo, Some(bar), baz @ Some(_)) => (),
27 fn issue_1647(mut foo: u8) {
29 if let Some(mut baz) = Some(42) {}
34 if let Some(ref baz) = Some(42) {}
37 fn issue_1647_ref_mut() {
39 if let Some(ref mut baz) = Some(42) {}