Preserve whether Receiver was shorthand for error reporting
diff --git a/syntax/mod.rs b/syntax/mod.rs
index cf811cf..ab5cecc 100644
--- a/syntax/mod.rs
+++ b/syntax/mod.rs
@@ -80,6 +80,7 @@
     pub mutability: Option<Token![mut]>,
     pub var: Token![self],
     pub ty: Ident,
+    pub shorthand: bool,
 }
 
 pub enum Type {