mirror of
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224 lines
4.2 KiB
Rust
224 lines
4.2 KiB
Rust
//@run-rustfix
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#![warn(clippy::manual_map)]
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#![allow(
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clippy::no_effect,
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clippy::map_identity,
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clippy::unit_arg,
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clippy::match_ref_pats,
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clippy::redundant_pattern_matching,
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for_loops_over_fallibles,
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dead_code
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)]
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fn main() {
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match Some(0) {
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Some(_) => Some(2),
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None::<u32> => None,
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};
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match Some(0) {
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Some(x) => Some(x + 1),
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_ => None,
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};
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match Some("") {
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Some(x) => Some(x.is_empty()),
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None => None,
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};
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if let Some(x) = Some(0) {
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Some(!x)
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} else {
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None
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};
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#[rustfmt::skip]
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match Some(0) {
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Some(x) => { Some(std::convert::identity(x)) }
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None => { None }
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};
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match Some(&String::new()) {
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Some(x) => Some(str::len(x)),
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None => None,
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};
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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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match &Some([0, 1]) {
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Some(x) => Some(x[0]),
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&None => None,
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};
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match &Some(0) {
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&Some(x) => Some(x * 2),
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None => None,
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};
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match Some(String::new()) {
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Some(ref x) => Some(x.is_empty()),
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_ => None,
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};
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match &&Some(String::new()) {
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Some(x) => Some(x.len()),
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_ => None,
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};
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match &&Some(0) {
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&&Some(x) => Some(x + x),
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&&_ => None,
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};
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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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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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}
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match &mut Some(String::new()) {
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Some(ref x) => Some(x.len()),
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None => None,
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};
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match &mut &Some(String::new()) {
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Some(x) => Some(x.is_empty()),
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&mut _ => None,
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};
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match Some((0, 1, 2)) {
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Some((x, y, z)) => Some(x + y + z),
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None => None,
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};
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match Some([1, 2, 3]) {
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Some([first, ..]) => Some(first),
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None => None,
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};
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match &Some((String::new(), "test")) {
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Some((x, y)) => Some((y, x)),
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None => None,
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};
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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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// #6795
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fn f1() -> Result<(), ()> {
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let _ = match Some(Ok(())) {
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Some(x) => Some(x?),
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None => None,
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};
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Ok(())
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}
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for &x in Some(Some(true)).iter() {
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let _ = match x {
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Some(x) => Some(if x { continue } else { x }),
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None => None,
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};
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}
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// #6797
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let x1 = (Some(String::new()), 0);
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let x2 = x1.0;
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match x2 {
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Some(x) => Some((x, x1.1)),
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None => None,
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};
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struct S1 {
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x: Option<String>,
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y: u32,
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}
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impl S1 {
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fn f(self) -> Option<(String, u32)> {
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match self.x {
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Some(x) => Some((x, self.y)),
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None => None,
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}
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}
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}
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// #6811
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match Some(0) {
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Some(x) => Some(vec![x]),
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None => None,
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};
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match option_env!("") {
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Some(x) => Some(String::from(x)),
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None => None,
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};
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// #6819
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async fn f2(x: u32) -> u32 {
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x
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}
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async fn f3() {
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match Some(0) {
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Some(x) => Some(f2(x).await),
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None => None,
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};
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}
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// #6847
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if let Some(_) = Some(0) {
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Some(0)
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} else if let Some(x) = Some(0) {
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Some(x + 1)
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} else {
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None
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};
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if true {
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Some(0)
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} else if let Some(x) = Some(0) {
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Some(x + 1)
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} else {
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None
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};
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// #6967
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const fn f4() {
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match Some(0) {
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Some(x) => Some(x + 1),
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None => None,
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};
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}
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// #7077
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let s = &String::new();
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#[allow(clippy::needless_match)]
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let _: Option<&str> = match Some(s) {
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Some(s) => Some(s),
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None => None,
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};
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}
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