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Diffstat (limited to 'src/tools/clippy/tests/ui/search_is_some_fixable_none.fixed')
| -rw-r--r-- | src/tools/clippy/tests/ui/search_is_some_fixable_none.fixed | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/search_is_some_fixable_none.fixed b/src/tools/clippy/tests/ui/search_is_some_fixable_none.fixed new file mode 100644 index 000000000..5190c5304 --- /dev/null +++ b/src/tools/clippy/tests/ui/search_is_some_fixable_none.fixed @@ -0,0 +1,216 @@ +// 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<usize>, + } + 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::<Vec<_>>(); + } + + 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::<Vec<_>>(); + } + + 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<Vec<i32>>, + } + struct Foo { + bar: Vec<i32>, + } + 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<Foo>, + } + 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)); + } +} |