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#![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.
}
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