3 #![warn(clippy::or_then_unwrap)]
4 #![allow(clippy::map_identity, clippy::let_unit_value)]
8 fn or(self, _: Option<Self>) -> Self {
14 struct SomeOtherStruct;
15 impl SomeOtherStruct {
23 let option: Option<&str> = None;
24 let _ = option.or(Some("fallback")).unwrap(); // should trigger lint
26 let result: Result<&str, &str> = Err("Error");
27 let _ = result.or::<&str>(Ok("fallback")).unwrap(); // should trigger lint
29 // as part of a method chain
30 let option: Option<&str> = None;
31 let _ = option.map(|v| v).or(Some("fallback")).unwrap().to_string().chars(); // should trigger lint
34 let instance = SomeStruct {};
35 let _ = instance.or(Some(SomeStruct {})).unwrap(); // should not trigger lint
37 // or takes no argument
38 let instance = SomeOtherStruct {};
39 let _ = instance.or().unwrap(); // should not trigger lint and should not panic
42 let option: Option<&str> = None;
43 let _ = option.or(None).unwrap(); // should not trigger lint
46 let result: Result<&str, &str> = Err("Error");
47 let _ = result.or::<&str>(Err("Other Error")).unwrap(); // should not trigger lint
49 // other function between
50 let option: Option<&str> = None;
51 let _ = option.or(Some("fallback")).map(|v| v).unwrap(); // should not trigger lint