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#![warn(clippy::self_assignment)]
#![allow(clippy::useless_vec, clippy::needless_pass_by_ref_mut)]
pub struct S<'a> {
a: i32,
b: [i32; 10],
c: Vec<Vec<i32>>,
e: &'a mut i32,
f: &'a mut i32,
}
pub fn positives(mut a: usize, b: &mut u32, mut s: S) {
a = a;
//~^ ERROR: self-assignment of `a` to `a`
//~| NOTE: `-D clippy::self-assignment` implied by `-D warnings`
*b = *b;
//~^ ERROR: self-assignment of `*b` to `*b`
s = s;
//~^ ERROR: self-assignment of `s` to `s`
s.a = s.a;
//~^ ERROR: self-assignment of `s.a` to `s.a`
s.b[9] = s.b[5 + 4];
//~^ ERROR: self-assignment of `s.b[5 + 4]` to `s.b[9]`
s.c[0][1] = s.c[0][1];
//~^ ERROR: self-assignment of `s.c[0][1]` to `s.c[0][1]`
s.b[a] = s.b[a];
//~^ ERROR: self-assignment of `s.b[a]` to `s.b[a]`
*s.e = *s.e;
//~^ ERROR: self-assignment of `*s.e` to `*s.e`
s.b[a + 10] = s.b[10 + a];
//~^ ERROR: self-assignment of `s.b[10 + a]` to `s.b[a + 10]`
let mut t = (0, 1);
t.1 = t.1;
//~^ ERROR: self-assignment of `t.1` to `t.1`
t.0 = (t.0);
//~^ ERROR: self-assignment of `(t.0)` to `t.0`
}
pub fn negatives_not_equal(mut a: usize, b: &mut usize, mut s: S) {
dbg!(&a);
a = *b;
dbg!(&a);
s.b[1] += s.b[1];
s.b[1] = s.b[2];
s.c[1][0] = s.c[0][1];
s.b[a] = s.b[*b];
s.b[a + 10] = s.b[a + 11];
*s.e = *s.f;
let mut t = (0, 1);
t.0 = t.1;
}
#[allow(clippy::mixed_read_write_in_expression)]
pub fn negatives_side_effects() {
let mut v = vec![1, 2, 3, 4, 5];
let mut i = 0;
v[{
i += 1;
i
}] = v[{
i += 1;
i
}];
fn next(n: &mut usize) -> usize {
let v = *n;
*n += 1;
v
}
let mut w = vec![1, 2, 3, 4, 5];
let mut i = 0;
let i = &mut i;
w[next(i)] = w[next(i)];
w[next(i)] = w[next(i)];
}
fn main() {}
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