mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-21 10:33:27 +00:00
54 lines
1.5 KiB
Rust
54 lines
1.5 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..];
|
|
//~^ ERROR: slicing may panic
|
|
&x[..index];
|
|
//~^ ERROR: slicing may panic
|
|
&x[index_from..index_to];
|
|
//~^ ERROR: slicing may panic
|
|
&x[index_from..][..index_to];
|
|
//~^ ERROR: slicing may panic
|
|
//~| ERROR: slicing may panic
|
|
&x[5..][..10];
|
|
//~^ ERROR: slicing may panic
|
|
//~| ERROR: range is out of bounds
|
|
//~| NOTE: `-D clippy::out-of-bounds-indexing` implied by `-D warnings`
|
|
&x[0..][..3];
|
|
//~^ ERROR: slicing may panic
|
|
&x[1..][..5];
|
|
//~^ ERROR: slicing may panic
|
|
|
|
&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];
|
|
//~^ ERROR: range is out of bounds
|
|
&y[..=4];
|
|
//~^ ERROR: range is out of bounds
|
|
|
|
&y[..]; // Ok, should not produce stderr.
|
|
|
|
let v = vec![0; 5];
|
|
&v[10..100];
|
|
//~^ ERROR: slicing may panic
|
|
&x[10..][..100];
|
|
//~^ ERROR: slicing may panic
|
|
//~| ERROR: range is out of bounds
|
|
&v[10..];
|
|
//~^ ERROR: slicing may panic
|
|
&v[..100];
|
|
//~^ ERROR: slicing may panic
|
|
|
|
&v[..]; // Ok, should not produce stderr.
|
|
}
|