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rust-clippy/tests/ui/assign_ops2.rs

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2017-09-18 10:47:33 +00:00
#[allow(unused_assignments)]
#[warn(misrefactored_assign_op)]
fn main() {
let mut a = 5;
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a += a + 1;
a += 1 + a;
a -= a - 1;
a *= a * 99;
a *= 42 * a;
a /= a / 2;
a %= a % 5;
a &= a & 1;
a -= 1 - a;
a /= 5 / a;
a %= 42 % a;
a <<= 6 << a;
}
// check that we don't lint on op assign impls, because that's just the way to impl them
use std::ops::{Mul, MulAssign};
#[derive(Copy, Clone, Debug, PartialEq)]
pub struct Wrap(i64);
impl Mul<i64> for Wrap {
type Output = Self;
fn mul(self, rhs: i64) -> Self {
Wrap(self.0 * rhs)
}
}
impl MulAssign<i64> for Wrap {
fn mul_assign(&mut self, rhs: i64) {
*self = *self * rhs
}
}