// run-rustfix #![allow(dead_code, clippy::explicit_auto_deref)] #![warn(clippy::search_is_some)] fn main() { let v = vec![3, 2, 1, 0, -1, -2, -3]; let y = &&42; // Check `find().is_none()`, single-line case. let _ = !v.iter().any(|x| *x < 0); let _ = !(0..1).any(|x| **y == x); // one dereference less let _ = !(0..1).any(|x| x == 0); let _ = !v.iter().any(|x| *x == 0); let _ = !(4..5).any(|x| x == 1 || x == 3 || x == 5); let _ = !(1..3).any(|x| [1, 2, 3].contains(&x)); let _ = !(1..3).any(|x| x == 0 || [1, 2, 3].contains(&x)); let _ = !(1..3).any(|x| [1, 2, 3].contains(&x) || x == 0); let _ = !(1..3).any(|x| [1, 2, 3].contains(&x) || x == 0 || [4, 5, 6].contains(&x) || x == -1); // Check `position().is_none()`, single-line case. let _ = !v.iter().any(|&x| x < 0); // Check `rposition().is_none()`, single-line case. let _ = !v.iter().any(|&x| x < 0); let s1 = String::from("hello world"); let s2 = String::from("world"); // caller of `find()` is a `&`static str` let _ = !"hello world".contains("world"); let _ = !"hello world".contains(&s2); let _ = !"hello world".contains(&s2[2..]); // caller of `find()` is a `String` let _ = !s1.contains("world"); let _ = !s1.contains(&s2); let _ = !s1.contains(&s2[2..]); // caller of `find()` is slice of `String` let _ = !s1[2..].contains("world"); let _ = !s1[2..].contains(&s2); let _ = !s1[2..].contains(&s2[2..]); } #[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().any(|cc| c == &cc)) .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().any(|cc| c == cc)) .map(|c| c.clone()) .collect::>(); } fn field_projection() { struct Foo { foo: i32, bar: u32, } let vfoo = vec![Foo { foo: 1, bar: 2 }]; let _ = !vfoo.iter().any(|v| v.foo == 1 && v.bar == 2); let vfoo = vec![(42, Foo { foo: 1, bar: 2 })]; let _ = !vfoo .iter().any(|(i, v)| *i == 42 && v.foo == 1 && v.bar == 2); } fn index_projection() { let vfoo = vec![[0, 1, 2, 3]]; let _ = !vfoo.iter().any(|a| a[0] == 42); } #[allow(clippy::match_like_matches_macro)] fn slice_projection() { let vfoo = vec![[0, 1, 2, 3, 0, 1, 2, 3]]; let _ = !vfoo.iter().any(|sub| sub[1..4].len() == 3); } fn please(x: &u32) -> bool { *x == 9 } fn deref_enough(x: u32) -> bool { x == 78 } fn arg_no_deref(x: &&u32) -> bool { **x == 78 } fn more_projections() { let x = 19; let ppx: &u32 = &x; let _ = ![ppx].iter().any(|ppp_x: &&u32| please(ppp_x)); let _ = ![String::from("Hey hey")].iter().any(|s| s.len() == 2); let v = vec![3, 2, 1, 0]; let _ = !v.iter().any(|x| deref_enough(*x)); let _ = !v.iter().any(|x: &u32| deref_enough(*x)); #[allow(clippy::redundant_closure)] let _ = !v.iter().any(|x| arg_no_deref(&x)); #[allow(clippy::redundant_closure)] let _ = !v.iter().any(|x: &u32| arg_no_deref(&x)); } fn field_index_projection() { struct FooDouble { bar: Vec>, } struct Foo { bar: Vec, } struct FooOuter { inner: Foo, inner_double: FooDouble, } let vfoo = vec![FooOuter { inner: Foo { bar: vec![0, 1, 2, 3] }, inner_double: FooDouble { bar: vec![vec![0, 1, 2, 3]], }, }]; let _ = !vfoo .iter().any(|v| v.inner_double.bar[0][0] == 2 && v.inner.bar[0] == 2); } fn index_field_projection() { struct Foo { bar: i32, } struct FooOuter { inner: Vec, } let vfoo = vec![FooOuter { inner: vec![Foo { bar: 0 }], }]; let _ = !vfoo.iter().any(|v| v.inner[0].bar == 2); } fn double_deref_index_projection() { let vfoo = vec![&&[0, 1, 2, 3]]; let _ = !vfoo.iter().any(|x| (**x)[0] == 9); } fn method_call_by_ref() { struct Foo { bar: u32, } impl Foo { pub fn by_ref(&self, x: &u32) -> bool { *x == self.bar } } let vfoo = vec![Foo { bar: 1 }]; let _ = !vfoo.iter().any(|v| v.by_ref(&v.bar)); } fn ref_bindings() { let _ = ![&(&1, 2), &(&3, 4), &(&5, 4)].iter().any(|(&x, y)| x == *y); let _ = ![&(&1, 2), &(&3, 4), &(&5, 4)].iter().any(|(&x, y)| x == *y); } fn test_string_1(s: &str) -> bool { s.is_empty() } fn test_u32_1(s: &u32) -> bool { s.is_power_of_two() } fn test_u32_2(s: u32) -> bool { s.is_power_of_two() } fn projection_in_args_test() { // Index projections let lst = &[String::from("Hello"), String::from("world")]; let v: Vec<&[String]> = vec![lst]; let _ = !v.iter().any(|s| s[0].is_empty()); let _ = !v.iter().any(|s| test_string_1(&s[0])); // Field projections struct FieldProjection<'a> { field: &'a u32, } let field = 123456789; let instance = FieldProjection { field: &field }; let v = vec![instance]; let _ = !v.iter().any(|fp| fp.field.is_power_of_two()); let _ = !v.iter().any(|fp| test_u32_1(fp.field)); let _ = !v.iter().any(|fp| test_u32_2(*fp.field)); } }