54 lines
1.2 KiB
Rust
54 lines
1.2 KiB
Rust
// run-rustfix
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#![warn(clippy::match_single_binding)]
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#![allow(unused_variables)]
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fn main() {
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// Lint (additional curly braces needed, see #6572)
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struct AppendIter<I>
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where
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I: Iterator,
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{
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inner: Option<(I, <I as Iterator>::Item)>,
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}
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#[allow(dead_code)]
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fn size_hint<I: Iterator>(iter: &AppendIter<I>) -> (usize, Option<usize>) {
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match &iter.inner {
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Some((iter, _item)) => {
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let (min, max) = iter.size_hint();
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(min.saturating_add(1), max.and_then(|max| max.checked_add(1)))
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},
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None => (0, Some(0)),
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}
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}
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// Lint (no additional curly braces needed)
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let opt = Some((5, 2));
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let get_tup = || -> (i32, i32) { (1, 2) };
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match opt {
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#[rustfmt::skip]
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Some((first, _second)) => {
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let (a, b) = get_tup();
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println!("a {:?} and b {:?}", a, b);
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},
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None => println!("nothing"),
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}
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fn side_effects() {}
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// Lint (scrutinee has side effects)
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// issue #7094
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side_effects();
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println!("Side effects");
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// Lint (scrutinee has side effects)
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// issue #7094
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let x = 1;
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match x {
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0 => 1,
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_ => 2,
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};
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println!("Single branch");
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}
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