pub mod ast; pub mod attr; mod ctxt; pub use self::ctxt::Ctxt; mod receiver; pub use self::receiver::replace_receiver; mod case; mod check; mod respan; mod symbol; use syn::Type; #[derive(Copy, Clone)] pub enum Derive { Serialize, Deserialize, } pub fn ungroup(mut ty: &Type) -> &Type { while let Type::Group(group) = ty { ty = &group.elem; } ty }