50 lines
1.1 KiB
Rust
50 lines
1.1 KiB
Rust
#![allow(unused)]
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#![warn(clippy::missing_asserts_for_indexing)]
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fn sum(v: &[u8]) -> u8 {
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v[0] + v[1] + v[2] + v[3] + v[4]
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//~^ ERROR: indexing into a slice multiple times without an `assert`
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}
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fn subslice(v: &[u8]) {
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let _ = v[0];
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//~^ ERROR: indexing into a slice multiple times without an `assert`
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let _ = v[1..4];
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}
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fn variables(v: &[u8]) -> u8 {
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let a = v[0];
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//~^ ERROR: indexing into a slice multiple times without an `assert`
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let b = v[1];
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let c = v[2];
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a + b + c
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}
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fn index_different_slices(v1: &[u8], v2: &[u8]) {
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let _ = v1[0] + v1[12];
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let _ = v2[5] + v2[15];
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}
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fn index_different_slices2(v1: &[u8], v2: &[u8]) {
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assert!(v1.len() > 12);
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let _ = v1[0] + v1[12];
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let _ = v2[5] + v2[15];
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}
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struct Foo<'a> {
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v: &'a [u8],
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v2: &'a [u8],
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}
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fn index_struct_field(f: &Foo<'_>) {
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let _ = f.v[0] + f.v[1];
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//~^ ERROR: indexing into a slice multiple times without an `assert`
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}
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fn index_struct_different_fields(f: &Foo<'_>) {
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// ok, different fields
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let _ = f.v[0] + f.v2[1];
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}
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fn main() {}
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