4 #![allow(dead_code, similar_names, single_match, toplevel_ref_arg, unused_mut, unused_variables)]
5 #![warn(blacklisted_name)]
17 match (42, Some(1337), Some(0)) {
18 (foo, Some(bar), baz @ Some(_)) => (),
23 fn issue_1647(mut foo: u8) {
25 if let Some(mut baz) = Some(42) {}
30 if let Some(ref baz) = Some(42) {}
33 fn issue_1647_ref_mut() {
35 if let Some(ref mut baz) = Some(42) {}