rust/tests/ui/integer_division_remainder_used.rs

42 lines
818 B
Rust

#![warn(clippy::integer_division_remainder_used)]
#![allow(unused_variables)]
#![allow(clippy::op_ref)]
struct CustomOps(pub i32);
impl std::ops::Div for CustomOps {
type Output = Self;
fn div(self, rhs: Self) -> Self::Output {
Self(self.0 / rhs.0)
}
}
impl std::ops::Rem for CustomOps {
type Output = Self;
fn rem(self, rhs: Self) -> Self::Output {
Self(self.0 % rhs.0)
}
}
fn main() {
// should trigger
let a = 10;
let b = 5;
let c = a / b;
let d = a % b;
let e = &a / b;
let f = a % &b;
let g = &a / &b;
let h = &10 % b;
let i = a / &4;
// should not trigger on custom Div and Rem
let w = CustomOps(3);
let x = CustomOps(4);
let y = w / x;
let w = CustomOps(3);
let x = CustomOps(4);
let z = w % x;
}