3 #![warn(clippy::search_is_some)]
6 let v = vec![3, 2, 1, 0, -1, -2, -3];
9 // Check `find().is_some()`, single-line case.
10 let _ = v.iter().any(|x| *x < 0);
11 let _ = (0..1).any(|x| **y == x); // one dereference less
12 let _ = (0..1).any(|x| x == 0);
13 let _ = v.iter().any(|x| *x == 0);
15 // Check `position().is_some()`, single-line case.
16 let _ = v.iter().any(|&x| x < 0);
18 // Check `rposition().is_some()`, single-line case.
19 let _ = v.iter().any(|&x| x < 0);
21 let s1 = String::from("hello world");
22 let s2 = String::from("world");
23 // caller of `find()` is a `&`static str`
24 let _ = "hello world".contains("world");
25 let _ = "hello world".contains(&s2);
26 let _ = "hello world".contains(&s2[2..]);
27 // caller of `find()` is a `String`
28 let _ = s1.contains("world");
29 let _ = s1.contains(&s2);
30 let _ = s1.contains(&s2[2..]);
31 // caller of `find()` is slice of `String`
32 let _ = s1[2..].contains("world");
33 let _ = s1[2..].contains(&s2);
34 let _ = s1[2..].contains(&s2[2..]);
38 let v = vec![3, 2, 1, 0, -1, -2, -3];
41 // Check `find().is_none()`, single-line case.
42 let _ = !v.iter().any(|x| *x < 0);
43 let _ = !(0..1).any(|x| **y == x); // one dereference less
44 let _ = !(0..1).any(|x| x == 0);
45 let _ = !v.iter().any(|x| *x == 0);
47 // Check `position().is_none()`, single-line case.
48 let _ = !v.iter().any(|&x| x < 0);
50 // Check `rposition().is_none()`, single-line case.
51 let _ = !v.iter().any(|&x| x < 0);
53 let s1 = String::from("hello world");
54 let s2 = String::from("world");
56 // caller of `find()` is a `&`static str`
57 let _ = !"hello world".contains("world");
58 let _ = !"hello world".contains(&s2);
59 let _ = !"hello world".contains(&s2[2..]);
60 // caller of `find()` is a `String`
61 let _ = !s1.contains("world");
62 let _ = !s1.contains(&s2);
63 let _ = !s1.contains(&s2[2..]);
64 // caller of `find()` is slice of `String`
65 let _ = !s1[2..].contains("world");
66 let _ = !s1[2..].contains(&s2);
67 let _ = !s1[2..].contains(&s2[2..]);