#![allow(unused)] use custom_attrs::CustomAttrs; #[derive(CustomAttrs)] #[attr( /// Should pass #[unknown = "", another_unknown = ""] #[unknown2] pub a: usize )] enum Enum { #[attr(a = 5)] Variant1, #[attr(a = 3)] Variant2, } fn main() { // let a = Enum::Variant1.get_a(); }