blob: 4346ed892f2777ef7ad1e9a5f21cf0397f5fbc4d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#![allow(unused)]
#![warn(clippy::missing_asserts_for_indexing)]
fn sum(v: &[u8]) -> u8 {
v[0] + v[1] + v[2] + v[3] + v[4]
//~^ ERROR: indexing into a slice multiple times without an `assert`
}
fn subslice(v: &[u8]) {
let _ = v[0];
//~^ ERROR: indexing into a slice multiple times without an `assert`
let _ = v[1..4];
}
fn variables(v: &[u8]) -> u8 {
let a = v[0];
//~^ ERROR: indexing into a slice multiple times without an `assert`
let b = v[1];
let c = v[2];
a + b + c
}
fn index_different_slices(v1: &[u8], v2: &[u8]) {
let _ = v1[0] + v1[12];
let _ = v2[5] + v2[15];
}
fn index_different_slices2(v1: &[u8], v2: &[u8]) {
assert!(v1.len() > 12);
let _ = v1[0] + v1[12];
let _ = v2[5] + v2[15];
}
struct Foo<'a> {
v: &'a [u8],
v2: &'a [u8],
}
fn index_struct_field(f: &Foo<'_>) {
let _ = f.v[0] + f.v[1];
//~^ ERROR: indexing into a slice multiple times without an `assert`
}
fn index_struct_different_fields(f: &Foo<'_>) {
// ok, different fields
let _ = f.v[0] + f.v2[1];
}
fn main() {}
|