mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-23 21:23:56 +00:00
70 lines
1.5 KiB
Rust
70 lines
1.5 KiB
Rust
// run-rustfix
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#![warn(clippy::manual_map)]
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#![allow(clippy::no_effect, clippy::map_identity, clippy::unit_arg, clippy::match_ref_pats)]
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fn main() {
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Some(0).map(|_| 2);
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Some(0).map(|x| x + 1);
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Some("").map(|x| x.is_empty());
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Some(0).map(|x| !x);
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#[rustfmt::skip]
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Some(0).map(std::convert::identity);
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Some(&String::new()).map(|x| str::len(x));
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match Some(0) {
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Some(x) if false => Some(x + 1),
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_ => None,
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};
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Some([0, 1]).as_ref().map(|x| x[0]);
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Some(0).map(|x| x * 2);
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Some(String::new()).as_ref().map(|x| x.is_empty());
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Some(String::new()).as_ref().map(|x| x.len());
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Some(0).map(|x| x + x);
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#[warn(clippy::option_map_unit_fn)]
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match &mut Some(String::new()) {
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Some(x) => Some(x.push_str("")),
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None => None,
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};
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#[allow(clippy::option_map_unit_fn)]
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{
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Some(String::new()).as_mut().map(|x| x.push_str(""));
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}
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Some(String::new()).as_ref().map(|x| x.len());
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Some(String::new()).as_ref().map(|x| x.is_empty());
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Some((0, 1, 2)).map(|(x, y, z)| x + y + z);
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Some([1, 2, 3]).map(|[first, ..]| first);
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Some((String::new(), "test")).as_ref().map(|(x, y)| (y, x));
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match Some((String::new(), 0)) {
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Some((ref x, y)) => Some((y, x)),
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None => None,
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};
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match Some(Some(0)) {
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Some(Some(_)) | Some(None) => Some(0),
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None => None,
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};
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match Some(Some((0, 1))) {
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Some(Some((x, 1))) => Some(x),
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_ => None,
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};
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}
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