// run-rustfix
#![warn(clippy::match_like_matches_macro)]
-#![allow(unreachable_patterns, dead_code)]
+#![allow(unreachable_patterns, dead_code, clippy::equatable_if_let)]
fn main() {
let x = Some(5);
_ => false,
};
}
+
+ {
+ // should print "z" in suggestion (#6503)
+ let z = &Some(3);
+ let _z = matches!(z, Some(3));
+ }
+
+ {
+ // this could also print "z" in suggestion..?
+ let z = Some(3);
+ let _z = matches!(&z, Some(3));
+ }
+
+ {
+ enum AnEnum {
+ X,
+ Y,
+ }
+
+ fn foo(_x: AnEnum) {}
+
+ fn main() {
+ let z = AnEnum::X;
+ // we can't remove the reference here!
+ let _ = matches!(&z, AnEnum::X);
+ foo(z);
+ }
+ }
+
+ {
+ struct S(i32);
+
+ fn fun(_val: Option<S>) {}
+ let val = Some(S(42));
+ // we need the reference here because later val is consumed by fun()
+ let _res = matches!(&val, &Some(ref _a));
+ fun(val);
+ }
+
+ {
+ struct S(i32);
+
+ fn fun(_val: Option<S>) {}
+ let val = Some(S(42));
+ let _res = matches!(&val, &Some(ref _a));
+ fun(val);
+ }
}