Support derive(Default) on structs
diff --git a/syntax/derive.rs b/syntax/derive.rs
index 813cf26..a8b6bde 100644
--- a/syntax/derive.rs
+++ b/syntax/derive.rs
@@ -11,6 +11,7 @@
     Clone,
     Copy,
     Debug,
+    Default,
     Eq,
     Ord,
     PartialEq,
@@ -23,6 +24,7 @@
             "Clone" => Trait::Clone,
             "Copy" => Trait::Copy,
             "Debug" => Trait::Debug,
+            "Default" => Trait::Default,
             "Eq" => Trait::Eq,
             "Ord" => Trait::Ord,
             "PartialEq" => Trait::PartialEq,
@@ -46,6 +48,7 @@
             Trait::Clone => "Clone",
             Trait::Copy => "Copy",
             Trait::Debug => "Debug",
+            Trait::Default => "Default",
             Trait::Eq => "Eq",
             Trait::Ord => "Ord",
             Trait::PartialEq => "PartialEq",