mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-09-20 14:41:58 +00:00
47 lines
614 B
Rust
47 lines
614 B
Rust
#![warn(clippy::neg_multiply)]
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#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::precedence)]
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#![allow(unused)]
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use std::ops::Mul;
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struct X;
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impl Mul<isize> for X {
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type Output = X;
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fn mul(self, _r: isize) -> Self {
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self
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}
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}
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impl Mul<X> for isize {
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type Output = X;
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fn mul(self, _r: X) -> X {
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X
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}
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}
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fn main() {
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let x = 0;
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-x;
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-x;
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100 + -x;
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-(100 + x);
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-17;
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0xcafe | -0xff00;
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-(3_usize as i32);
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-(3_usize as i32);
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-1 * -1; // should be ok
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X * -1; // should be ok
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-1 * X; // should also be ok
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}
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