50 lines
1.1 KiB
Rust
50 lines
1.1 KiB
Rust
|
#![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() {}
|