55 lines
1.5 KiB
Rust
55 lines
1.5 KiB
Rust
#![warn(clippy::indexing_slicing)]
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// We also check the out_of_bounds_indexing lint here, because it lints similar things and
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// we want to avoid false positives.
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#![warn(clippy::out_of_bounds_indexing)]
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#![allow(clippy::no_effect, clippy::unnecessary_operation, clippy::useless_vec)]
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fn main() {
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let x = [1, 2, 3, 4];
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let index: usize = 1;
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let index_from: usize = 2;
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let index_to: usize = 3;
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&x[index..];
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//~^ ERROR: slicing may panic
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&x[..index];
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//~^ ERROR: slicing may panic
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&x[index_from..index_to];
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//~^ ERROR: slicing may panic
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&x[index_from..][..index_to];
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//~^ ERROR: slicing may panic
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//~| ERROR: slicing may panic
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&x[5..][..10];
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//~^ ERROR: slicing may panic
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//~| ERROR: range is out of bounds
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//~| NOTE: `-D clippy::out-of-bounds-indexing` implied by `-D warnings`
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&x[0..][..3];
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//~^ ERROR: slicing may panic
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&x[1..][..5];
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//~^ ERROR: slicing may panic
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&x[0..].get(..3); // Ok, should not produce stderr.
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&x[0..3]; // Ok, should not produce stderr.
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let y = &x;
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&y[1..2];
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&y[0..=4];
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//~^ ERROR: range is out of bounds
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&y[..=4];
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//~^ ERROR: range is out of bounds
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&y[..]; // Ok, should not produce stderr.
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let v = vec![0; 5];
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&v[10..100];
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//~^ ERROR: slicing may panic
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&x[10..][..100];
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//~^ ERROR: slicing may panic
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//~| ERROR: range is out of bounds
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&v[10..];
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//~^ ERROR: slicing may panic
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&v[..100];
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//~^ ERROR: slicing may panic
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&v[..]; // Ok, should not produce stderr.
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}
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