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Commit | Line | Data |
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f20569fa XL |
1 | #![allow(unused, clippy::no_effect, clippy::unnecessary_operation)] |
2 | #![warn(clippy::mut_mut)] | |
3 | ||
4 | fn fun(x: &mut &mut u32) -> bool { | |
5 | **x > 0 | |
6 | } | |
7 | ||
8 | fn less_fun(x: *mut *mut u32) { | |
9 | let y = x; | |
10 | } | |
11 | ||
12 | macro_rules! mut_ptr { | |
13 | ($p:expr) => { | |
14 | &mut $p | |
15 | }; | |
16 | } | |
17 | ||
18 | #[allow(unused_mut, unused_variables)] | |
19 | fn main() { | |
20 | let mut x = &mut &mut 1u32; | |
21 | { | |
22 | let mut y = &mut x; | |
23 | } | |
24 | ||
25 | if fun(x) { | |
26 | let y: &mut &mut u32 = &mut &mut 2; | |
27 | **y + **x; | |
28 | } | |
29 | ||
30 | if fun(x) { | |
31 | let y: &mut &mut &mut u32 = &mut &mut &mut 2; | |
32 | ***y + **x; | |
33 | } | |
34 | ||
35 | let mut z = mut_ptr!(&mut 3u32); | |
36 | } | |
37 | ||
38 | fn issue939() { | |
39 | let array = [5, 6, 7, 8, 9]; | |
40 | let mut args = array.iter().skip(2); | |
41 | for &arg in &mut args { | |
42 | println!("{}", arg); | |
43 | } | |
44 | ||
45 | let args = &mut args; | |
46 | for arg in args { | |
47 | println!(":{}", arg); | |
48 | } | |
49 | } |