96 lines
1.4 KiB
Rust
96 lines
1.4 KiB
Rust
#![warn(clippy::neg_multiply)]
|
|
#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::precedence)]
|
|
#![allow(unused)]
|
|
|
|
use std::ops::Mul;
|
|
|
|
struct X;
|
|
|
|
impl Mul<isize> for X {
|
|
type Output = X;
|
|
|
|
fn mul(self, _r: isize) -> Self {
|
|
self
|
|
}
|
|
}
|
|
|
|
impl Mul<X> for isize {
|
|
type Output = X;
|
|
|
|
fn mul(self, _r: X) -> X {
|
|
X
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let x = 0;
|
|
|
|
-x;
|
|
//~^ neg_multiply
|
|
|
|
-x;
|
|
//~^ neg_multiply
|
|
|
|
100 + -x;
|
|
//~^ neg_multiply
|
|
|
|
-(100 + x);
|
|
//~^ neg_multiply
|
|
|
|
-17;
|
|
//~^ neg_multiply
|
|
|
|
0xcafe | -0xff00;
|
|
//~^ neg_multiply
|
|
|
|
-(3_usize as i32);
|
|
//~^ neg_multiply
|
|
-(3_usize as i32);
|
|
//~^ neg_multiply
|
|
|
|
-1 * -1; // should be ok
|
|
|
|
X * -1; // should be ok
|
|
-1 * X; // should also be ok
|
|
}
|
|
|
|
fn float() {
|
|
let x = 0.0;
|
|
|
|
-x;
|
|
//~^ neg_multiply
|
|
|
|
-x;
|
|
//~^ neg_multiply
|
|
|
|
100.0 + -x;
|
|
//~^ neg_multiply
|
|
|
|
-(100.0 + x);
|
|
//~^ neg_multiply
|
|
|
|
-17.0;
|
|
//~^ neg_multiply
|
|
|
|
0.0 + -0.0;
|
|
//~^ neg_multiply
|
|
|
|
-(3.0_f32 as f64);
|
|
//~^ neg_multiply
|
|
-(3.0_f32 as f64);
|
|
//~^ neg_multiply
|
|
|
|
-1.0 * -1.0; // should be ok
|
|
}
|
|
|
|
struct Y {
|
|
delta: f64,
|
|
}
|
|
|
|
fn nested() {
|
|
let a = Y { delta: 1.0 };
|
|
let b = Y { delta: 1.0 };
|
|
let _ = (-(a.delta - 0.5).abs()).total_cmp(&1.0);
|
|
//~^ neg_multiply
|
|
let _ = (-(a.delta - 0.5).abs()).total_cmp(&1.0);
|
|
}
|