Parse pinned UniquePtr
diff --git a/syntax/mod.rs b/syntax/mod.rs
index 51068c9..853db90 100644
--- a/syntax/mod.rs
+++ b/syntax/mod.rs
@@ -165,10 +165,12 @@
 }
 
 pub struct Ty1 {
+    pub pinned: bool,
     pub name: Ident,
     pub langle: Token![<],
     pub inner: Type,
     pub rangle: Token![>],
+    pub pin_tokens: Option<(kw::Pin, Token![<], Token![>])>,
 }
 
 pub struct Ref {