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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/match_single_binding2.fixed | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/match_single_binding2.fixed b/src/tools/clippy/tests/ui/match_single_binding2.fixed new file mode 100644 index 000000000..a91fcc212 --- /dev/null +++ b/src/tools/clippy/tests/ui/match_single_binding2.fixed @@ -0,0 +1,53 @@ +// run-rustfix + +#![warn(clippy::match_single_binding)] +#![allow(unused_variables)] + +fn main() { + // Lint (additional curly braces needed, see #6572) + struct AppendIter<I> + where + I: Iterator, + { + inner: Option<(I, <I as Iterator>::Item)>, + } + + #[allow(dead_code)] + fn size_hint<I: Iterator>(iter: &AppendIter<I>) -> (usize, Option<usize>) { + match &iter.inner { + Some((iter, _item)) => { + let (min, max) = iter.size_hint(); + (min.saturating_add(1), max.and_then(|max| max.checked_add(1))) + }, + None => (0, Some(0)), + } + } + + // Lint (no additional curly braces needed) + let opt = Some((5, 2)); + let get_tup = || -> (i32, i32) { (1, 2) }; + match opt { + #[rustfmt::skip] + Some((first, _second)) => { + let (a, b) = get_tup(); + println!("a {:?} and b {:?}", a, b); + }, + None => println!("nothing"), + } + + fn side_effects() {} + + // Lint (scrutinee has side effects) + // issue #7094 + side_effects(); + println!("Side effects"); + + // Lint (scrutinee has side effects) + // issue #7094 + let x = 1; + match x { + 0 => 1, + _ => 2, + }; + println!("Single branch"); +} |