// run-rustfix
#![warn(clippy::manual_map)]
-#![allow(clippy::no_effect, clippy::map_identity, clippy::unit_arg, clippy::match_ref_pats)]
+#![allow(
+ clippy::no_effect,
+ clippy::map_identity,
+ clippy::unit_arg,
+ clippy::match_ref_pats,
+ clippy::redundant_pattern_matching,
+ dead_code
+)]
fn main() {
match Some(0) {
Some(Some((x, 1))) => Some(x),
_ => None,
};
+
+ // #6795
+ fn f1() -> Result<(), ()> {
+ let _ = match Some(Ok(())) {
+ Some(x) => Some(x?),
+ None => None,
+ };
+ Ok(())
+ }
+
+ for &x in Some(Some(true)).iter() {
+ let _ = match x {
+ Some(x) => Some(if x { continue } else { x }),
+ None => None,
+ };
+ }
+
+ // #6797
+ let x1 = (Some(String::new()), 0);
+ let x2 = x1.0;
+ match x2 {
+ Some(x) => Some((x, x1.1)),
+ None => None,
+ };
+
+ struct S1 {
+ x: Option<String>,
+ y: u32,
+ }
+ impl S1 {
+ fn f(self) -> Option<(String, u32)> {
+ match self.x {
+ Some(x) => Some((x, self.y)),
+ None => None,
+ }
+ }
+ }
+
+ // #6811
+ match Some(0) {
+ Some(x) => Some(vec![x]),
+ None => None,
+ };
+
+ match option_env!("") {
+ Some(x) => Some(String::from(x)),
+ None => None,
+ };
+
+ // #6819
+ async fn f2(x: u32) -> u32 {
+ x
+ }
+
+ async fn f3() {
+ match Some(0) {
+ Some(x) => Some(f2(x).await),
+ None => None,
+ };
+ }
+
+ // #6847
+ if let Some(_) = Some(0) {
+ Some(0)
+ } else if let Some(x) = Some(0) {
+ Some(x + 1)
+ } else {
+ None
+ };
+
+ if true {
+ Some(0)
+ } else if let Some(x) = Some(0) {
+ Some(x + 1)
+ } else {
+ None
+ };
+
+ // #6967
+ const fn f4() {
+ match Some(0) {
+ Some(x) => Some(x + 1),
+ None => None,
+ };
+ }
+
+ // #7077
+ let s = &String::new();
+ let _: Option<&str> = match Some(s) {
+ Some(s) => Some(s),
+ None => None,
+ };
}