Support parsing the auto trait syntax
diff --git a/src/item.rs b/src/item.rs
index ff36380..194a1ec 100644
--- a/src/item.rs
+++ b/src/item.rs
@@ -143,6 +143,7 @@
pub attrs: Vec<Attribute>,
pub vis: Visibility,
pub unsafety: Unsafety,
+ pub auto_token: Option<Token![auto]>,
pub trait_token: Token![trait],
pub ident: Ident,
pub generics: Generics,
@@ -966,6 +967,7 @@
attrs: many0!(call!(Attribute::parse_outer)) >>
vis: syn!(Visibility) >>
unsafety: syn!(Unsafety) >>
+ auto_: option!(keyword!(auto)) >>
trait_: keyword!(trait) >>
ident: syn!(Ident) >>
generics: syn!(Generics) >>
@@ -979,6 +981,7 @@
attrs: attrs,
vis: vis,
unsafety: unsafety,
+ auto_token: auto_,
trait_token: trait_,
ident: ident,
generics: Generics {
@@ -1478,6 +1481,7 @@
tokens.append_all(self.attrs.outer());
self.vis.to_tokens(tokens);
self.unsafety.to_tokens(tokens);
+ self.auto_token.to_tokens(tokens);
self.trait_token.to_tokens(tokens);
self.ident.to_tokens(tokens);
self.generics.to_tokens(tokens);