1error[E0164]: expected tuple struct or tuple variant, found associated function `A::new` 2 --> $DIR/fn-in-pat.rs:11:9 3 | 4LL | A::new() => (), 5 | ^^^^^^^^ `fn` calls are not allowed in patterns 6 | 7 = help: for more information, visit https://doc.rust-lang.org/book/ch18-00-patterns.html 8 9error: aborting due to previous error 10 11For more information about this error, try `rustc --explain E0164`. 12