mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-13 00:56:14 +00:00
48 lines
644 B
Rust
48 lines
644 B
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 * -1;
|
|
|
|
-1 * x;
|
|
|
|
100 + x * -1;
|
|
|
|
(100 + x) * -1;
|
|
|
|
-1 * 17;
|
|
|
|
0xcafe | 0xff00 * -1;
|
|
|
|
3_usize as i32 * -1;
|
|
(3_usize as i32) * -1;
|
|
|
|
-1 * -1; // should be ok
|
|
|
|
X * -1; // should be ok
|
|
-1 * X; // should also be ok
|
|
}
|