mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-15 09:27:25 +00:00
37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
#![warn(clippy::indexing_slicing)]
|
|
// We also check the out_of_bounds_indexing lint here, because it lints similar things and
|
|
// we want to avoid false positives.
|
|
#![warn(clippy::out_of_bounds_indexing)]
|
|
#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::useless_vec)]
|
|
|
|
fn main() {
|
|
let x = [1, 2, 3, 4];
|
|
let index: usize = 1;
|
|
let index_from: usize = 2;
|
|
let index_to: usize = 3;
|
|
&x[index..];
|
|
&x[..index];
|
|
&x[index_from..index_to];
|
|
&x[index_from..][..index_to]; // Two lint reports, one for [index_from..] and another for [..index_to].
|
|
&x[5..][..10]; // Two lint reports, one for out of bounds [5..] and another for slicing [..10].
|
|
&x[0..][..3];
|
|
&x[1..][..5];
|
|
|
|
&x[0..].get(..3); // Ok, should not produce stderr.
|
|
&x[0..3]; // Ok, should not produce stderr.
|
|
|
|
let y = &x;
|
|
&y[1..2];
|
|
&y[0..=4];
|
|
&y[..=4];
|
|
|
|
&y[..]; // Ok, should not produce stderr.
|
|
|
|
let v = vec![0; 5];
|
|
&v[10..100];
|
|
&x[10..][..100]; // Two lint reports, one for [10..] and another for [..100].
|
|
&v[10..];
|
|
&v[..100];
|
|
|
|
&v[..]; // Ok, should not produce stderr.
|
|
}
|