]>
git.proxmox.com Git - rustc.git/blob - src/tools/clippy/tests/ui/vec.rs
3 #![warn(clippy::useless_vec)]
8 fn on_slice(_
: &[u8]) {}
10 fn on_mut_slice(_
: &mut [u8]) {}
12 #[allow(clippy::ptr_arg)]
13 fn on_vec(_
: &Vec
<u8>) {}
15 fn on_mut_vec(_
: &mut Vec
<u8>) {}
22 fn length(&self) -> usize {
30 on_mut_slice(&mut vec
![]);
32 on_slice(&vec
![1, 2]);
34 on_mut_slice(&mut vec
![1, 2]);
36 on_slice(&vec
![1, 2]);
38 on_mut_slice(&mut vec
![1, 2]);
40 on_slice(&vec
!(1, 2));
42 on_mut_slice(&mut vec
![1, 2]);
44 on_slice(&vec
![1; 2]);
46 on_mut_slice(&mut vec
![1; 2]);
51 on_mut_vec(&mut vec
![]);
52 on_mut_vec(&mut vec
![1, 2]);
53 on_mut_vec(&mut vec
![1; 2]);
55 // Now with non-constant expressions
56 let line
= Line { length: 2 }
;
58 on_slice(&vec
![2; line
.length
]);
59 on_slice(&vec
![2; line
.length()]);
60 on_mut_slice(&mut vec
![2; line
.length
]);
61 on_mut_slice(&mut vec
![2; line
.length()]);
63 for a
in vec
![1, 2, 3] {
67 for a
in vec
![NonCopy
, NonCopy
] {
71 on_vec(&vec
![1; 201]); // Ok, size of `vec` higher than `too_large_for_stack`
72 on_mut_vec(&mut vec
![1; 201]); // Ok, size of `vec` higher than `too_large_for_stack`
75 for a
in vec
![1; 201] {