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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.rs b/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.rs new file mode 100644 index 000000000..406e82083 --- /dev/null +++ b/src/tools/clippy/tests/ui/index_refutable_slice/slice_indexing_in_macro.rs @@ -0,0 +1,28 @@ +#![deny(clippy::index_refutable_slice)] + +extern crate if_chain; +use if_chain::if_chain; + +macro_rules! if_let_slice_macro { + () => { + // This would normally be linted + let slice: Option<&[u32]> = Some(&[1, 2, 3]); + if let Some(slice) = slice { + println!("{}", slice[0]); + } + }; +} + +fn main() { + // Don't lint this + if_let_slice_macro!(); + + // Do lint this + if_chain! { + let slice: Option<&[u32]> = Some(&[1, 2, 3]); + if let Some(slice) = slice; + then { + println!("{}", slice[0]); + } + } +} |