// run-rustfix #![allow(dead_code)] #![warn(clippy::search_is_some)] fn main() { let v = vec![3, 2, 1, 0, -1, -2, -3]; let y = &&42; // Check `find().is_some()`, single-line case. let _ = v.iter().find(|&x| *x < 0).is_some(); let _ = (0..1).find(|x| **y == *x).is_some(); // one dereference less let _ = (0..1).find(|x| *x == 0).is_some(); let _ = v.iter().find(|x| **x == 0).is_some(); let _ = (4..5).find(|x| *x == 1 || *x == 3 || *x == 5).is_some(); let _ = (1..3).find(|x| [1, 2, 3].contains(x)).is_some(); let _ = (1..3).find(|x| *x == 0 || [1, 2, 3].contains(x)).is_some(); let _ = (1..3).find(|x| [1, 2, 3].contains(x) || *x == 0).is_some(); let _ = (1..3) .find(|x| [1, 2, 3].contains(x) || *x == 0 || [4, 5, 6].contains(x) || *x == -1) .is_some(); // Check `position().is_some()`, single-line case. let _ = v.iter().position(|&x| x < 0).is_some(); // Check `rposition().is_some()`, single-line case. let _ = v.iter().rposition(|&x| x < 0).is_some(); let s1 = String::from("hello world"); let s2 = String::from("world"); // caller of `find()` is a `&`static str` let _ = "hello world".find("world").is_some(); let _ = "hello world".find(&s2).is_some(); let _ = "hello world".find(&s2[2..]).is_some(); // caller of `find()` is a `String` let _ = s1.find("world").is_some(); let _ = s1.find(&s2).is_some(); let _ = s1.find(&s2[2..]).is_some(); // caller of `find()` is slice of `String` let _ = s1[2..].find("world").is_some(); let _ = s1[2..].find(&s2).is_some(); let _ = s1[2..].find(&s2[2..]).is_some(); } #[allow(clippy::clone_on_copy, clippy::map_clone)] mod issue7392 { struct Player { hand: Vec, } fn filter() { let p = Player { hand: vec![1, 2, 3, 4, 5], }; let filter_hand = vec![5]; let _ = p .hand .iter() .filter(|c| filter_hand.iter().find(|cc| c == cc).is_some()) .map(|c| c.clone()) .collect::>(); } struct PlayerTuple { hand: Vec<(usize, char)>, } fn filter_tuple() { let p = PlayerTuple { hand: vec![(1, 'a'), (2, 'b'), (3, 'c'), (4, 'd'), (5, 'e')], }; let filter_hand = vec![5]; let _ = p .hand .iter() .filter(|(c, _)| filter_hand.iter().find(|cc| c == *cc).is_some()) .map(|c| c.clone()) .collect::>(); } }