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