3 #![warn(clippy::manual_find_map)]
4 #![allow(clippy::redundant_closure)] // FIXME suggestion may have redundant closure
8 let _ = (0..).find(|n| to_opt(*n).is_some()).map(|a| to_opt(a).unwrap());
10 // ref pattern, expect()
11 let _ = (0..).find(|&n| to_opt(n).is_some()).map(|a| to_opt(a).expect("hi"));
13 // is_ok(), unwrap_or()
14 let _ = (0..).find(|&n| to_res(n).is_ok()).map(|a| to_res(a).unwrap_or(1));
19 let _ = (0..).filter(|n| *n > 1).map(|n| n + 1);
21 // very close but different since filter() provides a reference
22 let _ = (0..).find(|n| to_opt(n).is_some()).map(|a| to_opt(a).unwrap());
24 // similar but different
25 let _ = (0..).find(|n| to_opt(n).is_some()).map(|n| to_res(n).unwrap());
27 .find(|n| to_opt(n).map(|n| n + 1).is_some())
28 .map(|a| to_opt(a).unwrap());
31 fn to_opt<T>(_: T) -> Option<T> {
35 fn to_res<T>(_: T) -> Result<T, ()> {