2021-12-06 05:33:31 -06:00
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#![deny(clippy::index_refutable_slice)]
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2024-07-25 11:29:17 -05:00
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//@no-rustfix: need to change the suggestion to a multipart suggestion
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2021-12-06 05:33:31 -06:00
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extern crate if_chain;
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use if_chain::if_chain;
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macro_rules! if_let_slice_macro {
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() => {
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// This would normally be linted
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let slice: Option<&[u32]> = Some(&[1, 2, 3]);
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if let Some(slice) = slice {
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println!("{}", slice[0]);
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}
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};
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}
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fn main() {
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// Don't lint this
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if_let_slice_macro!();
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// Do lint this
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if_chain! {
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let slice: Option<&[u32]> = Some(&[1, 2, 3]);
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if let Some(slice) = slice;
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2023-08-24 14:32:12 -05:00
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//~^ ERROR: this binding can be a slice pattern to avoid indexing
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2021-12-06 05:33:31 -06:00
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then {
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println!("{}", slice[0]);
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}
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}
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}
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