mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-27 15:11:30 +00:00
209 lines
5.3 KiB
Rust
209 lines
5.3 KiB
Rust
// run-rustfix
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#![warn(clippy::suspicious_operation_groupings)]
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#![allow(dead_code, unused_parens, clippy::eq_op)]
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struct Vec3 {
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x: f64,
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y: f64,
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z: f64,
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}
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impl Eq for Vec3 {}
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impl PartialEq for Vec3 {
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fn eq(&self, other: &Self) -> bool {
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// This should trigger the lint because `self.x` is compared to `other.y`
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self.x == other.x && self.y == other.y && self.z == other.z
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}
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}
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struct S {
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a: i32,
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b: i32,
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c: i32,
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d: i32,
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}
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fn buggy_ab_cmp(s1: &S, s2: &S) -> bool {
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// There's no `s1.b`
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s1.a < s2.a && s1.b < s2.b
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}
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struct SaOnly {
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a: i32,
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}
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impl S {
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fn a(&self) -> i32 {
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0
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}
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}
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fn do_not_give_bad_suggestions_for_this_unusual_expr(s1: &S, s2: &SaOnly) -> bool {
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// This is superficially similar to `buggy_ab_cmp`, but we should not suggest
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// `s2.b` since that is invalid.
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s1.a < s2.a && s1.a() < s1.b
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}
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fn do_not_give_bad_suggestions_for_this_macro_expr(s1: &S, s2: &SaOnly) -> bool {
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macro_rules! s1 {
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() => {
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S {
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a: 1,
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b: 1,
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c: 1,
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d: 1,
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}
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};
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}
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// This is superficially similar to `buggy_ab_cmp`, but we should not suggest
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// `s2.b` since that is invalid.
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s1.a < s2.a && s1!().a < s1.b
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}
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fn do_not_give_bad_suggestions_for_this_incorrect_expr(s1: &S, s2: &SaOnly) -> bool {
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// There's two `s1.b`, but we should not suggest `s2.b` since that is invalid
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s1.a < s2.a && s1.b < s1.b
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}
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fn permissable(s1: &S, s2: &S) -> bool {
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// Something like this seems like it might actually be what is desired.
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s1.a == s2.b
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}
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fn non_boolean_operators(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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s1.a * s2.a + s1.b * s2.b + s1.c * s2.c + s1.d * s2.d
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}
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fn odd_number_of_pairs(s1: &S, s2: &S) -> i32 {
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// There's no `s2.b`
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s1.a * s2.a + s1.b * s2.b + s1.c * s2.c
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}
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fn not_caught_by_eq_op_middle_change_left(s1: &S, s2: &S) -> i32 {
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// There's no `s1.b`
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s1.a * s2.a + s1.b * s2.b + s1.c * s2.c
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}
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fn not_caught_by_eq_op_middle_change_right(s1: &S, s2: &S) -> i32 {
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// There's no `s2.b`
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s1.a * s2.a + s1.b * s2.b + s1.c * s2.c
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}
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fn not_caught_by_eq_op_start(s1: &S, s2: &S) -> i32 {
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// There's no `s2.a`
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s1.a * s2.a + s1.b * s2.b + s1.c * s2.c
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}
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fn not_caught_by_eq_op_end(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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s1.a * s2.a + s1.b * s2.b + s1.c * s2.c
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}
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fn the_cross_product_should_not_lint(s1: &S, s2: &S) -> (i32, i32, i32) {
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(
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s1.b * s2.c - s1.c * s2.b,
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s1.c * s2.a - s1.a * s2.c,
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s1.a * s2.b - s1.b * s2.a,
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)
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}
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fn outer_parens_simple(s1: &S, s2: &S) -> i32 {
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// There's no `s2.b`
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(s1.a * s2.a + s1.b * s2.b)
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}
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fn outer_parens(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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(s1.a * s2.a + s1.b * s2.b + s1.c * s2.c + s1.d * s2.d)
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}
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fn inner_parens(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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(s1.a * s2.a) + (s1.b * s2.b) + (s1.c * s2.c) + (s1.d * s2.d)
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}
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fn outer_and_some_inner_parens(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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((s1.a * s2.a) + (s1.b * s2.b) + (s1.c * s2.c) + (s1.d * s2.d))
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}
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fn all_parens_balanced_tree(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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(((s1.a * s2.a) + (s1.b * s2.b)) + ((s1.c * s2.c) + (s1.d * s2.d)))
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}
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fn all_parens_left_tree(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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(((s1.a * s2.a) + (s1.b * s2.b) + (s1.c * s2.c)) + (s1.d * s2.d))
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}
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fn all_parens_right_tree(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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((s1.a * s2.a) + ((s1.b * s2.b) + (s1.c * s2.c) + (s1.d * s2.d)))
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}
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fn inside_other_binop_expression(s1: &S, s2: &S) -> i32 {
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// There's no `s1.b`
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(s1.a * s2.a + s1.b * s2.b) / 2
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}
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fn inside_function_call(s1: &S, s2: &S) -> i32 {
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// There's no `s1.b`
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i32::swap_bytes(s1.a * s2.a + s1.b * s2.b)
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}
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fn inside_larger_boolean_expression(s1: &S, s2: &S) -> bool {
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// There's no `s1.c`
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s1.a > 0 && s1.b > 0 && s1.c == s2.c && s1.d == s2.d
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}
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fn inside_larger_boolean_expression_with_unsorted_ops(s1: &S, s2: &S) -> bool {
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// There's no `s1.c`
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s1.a > 0 && s1.c == s2.c && s1.b > 0 && s1.d == s2.d
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}
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struct Nested {
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inner: ((i32,), (i32,), (i32,)),
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}
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fn changed_middle_ident(n1: &Nested, n2: &Nested) -> bool {
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// There's no `n2.inner.2.0`
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(n1.inner.0).0 == (n2.inner.0).0 && (n1.inner.1).0 == (n2.inner.1).0 && (n1.inner.2).0 == (n2.inner.2).0
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}
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// `eq_op` should catch this one.
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fn changed_initial_ident(n1: &Nested, n2: &Nested) -> bool {
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// There's no `n2.inner.0.0`
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(n1.inner.0).0 == (n1.inner.0).0 && (n1.inner.1).0 == (n2.inner.1).0 && (n1.inner.2).0 == (n2.inner.2).0
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}
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fn inside_fn_with_similar_expression(s1: &S, s2: &S, strict: bool) -> bool {
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if strict {
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s1.a < s2.a && s1.b < s2.b
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} else {
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// There's no `s1.b` in this subexpression
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s1.a <= s2.a && s1.b <= s2.b
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}
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}
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fn inside_an_if_statement(s1: &mut S, s2: &S) {
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// There's no `s1.b`
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if s1.a < s2.a && s1.b < s2.b {
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s1.c = s2.c;
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}
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}
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fn maximum_unary_minus_right_tree(s1: &S, s2: &S) -> i32 {
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// There's no `s2.c`
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-(-(-s1.a * -s2.a) + (-(-s1.b * -s2.b) + -(-s1.c * -s2.c) + -(-s1.d * -s2.d)))
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}
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fn unary_minus_and_an_if_expression(s1: &S, s2: &S) -> i32 {
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// There's no `s1.b`
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-(if -s1.a < -s2.a && -s1.b < -s2.b { s1.c } else { s2.a })
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}
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fn main() {}
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