src/tools/clippy/tests/ui/assign_ops2.rs

   1
   2
   3
   4 #[allow(unused_assignments)]
   5 #[warn(misrefactored_assign_op, assign_op_pattern)]
   6 fn main() {
   7     let mut a = 5;
   8     a += a + 1;
   9     a += 1 + a;
  10     a -= a - 1;
  11     a *= a * 99;
  12     a *= 42 * a;
  13     a /= a / 2;
  14     a %= a % 5;
  15     a &= a & 1;
  16     a *= a * a;
  17     a = a * a * a;
  18     a = a * 42 * a;
  19     a = a * 2 + a;
  20     a -= 1 - a;
  21     a /= 5 / a;
  22     a %= 42 % a;
  23     a <<= 6 << a;
  24 }
  25
  26 // check that we don't lint on op assign impls, because that's just the way to impl them
  27
  28 use std::ops::{Mul, MulAssign};
  29
  30 #[derive(Copy, Clone, Debug, PartialEq)]
  31 pub struct Wrap(i64);
  32
  33 impl Mul<i64> for Wrap {
  34     type Output = Self;
  35
  36     fn mul(self, rhs: i64) -> Self {
  37         Wrap(self.0 * rhs)
  38     }
  39 }
  40
  41 impl MulAssign<i64> for Wrap {
  42     fn mul_assign(&mut self, rhs: i64) {
  43         *self = *self * rhs
  44     }
  45 }