75 lines
1.4 KiB
Rust
75 lines
1.4 KiB
Rust
#![feature(tool_lints)]
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#![warn(clippy::suspicious_arithmetic_impl)]
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use std::ops::{Add, AddAssign, Mul, Sub, Div};
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#[derive(Copy, Clone)]
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struct Foo(u32);
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impl Add for Foo {
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type Output = Foo;
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fn add(self, other: Self) -> Self {
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Foo(self.0 - other.0)
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}
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}
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impl AddAssign for Foo {
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fn add_assign(&mut self, other: Foo) {
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*self = *self - other;
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}
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}
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impl Mul for Foo {
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type Output = Foo;
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fn mul(self, other: Foo) -> Foo {
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Foo(self.0 * other.0 % 42) // OK: BinOpKind::Rem part of BiExpr as parent node
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}
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}
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impl Sub for Foo {
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type Output = Foo;
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fn sub(self, other: Self) -> Self {
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Foo(self.0 * other.0 - 42) // OK: BinOpKind::Mul part of BiExpr as child node
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}
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}
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impl Div for Foo {
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type Output = Foo;
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fn div(self, other: Self) -> Self {
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Foo(do_nothing(self.0 + other.0) / 42) // OK: BinOpKind::Add part of BiExpr as child node
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}
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}
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struct Bar(i32);
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impl Add for Bar {
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type Output = Bar;
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fn add(self, other: Self) -> Self {
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Bar(self.0 & !other.0) // OK: UnNot part of BiExpr as child node
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}
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}
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impl Sub for Bar {
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type Output = Bar;
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fn sub(self, other: Self) -> Self {
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if self.0 <= other.0 {
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Bar(-(self.0 & other.0)) // OK: UnNeg part of BiExpr as parent node
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} else {
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Bar(0)
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}
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}
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}
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fn main() {}
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fn do_nothing(x: u32) -> u32 {
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x
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}
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