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