diff --git a/lib/Raw/RawSyntax.ml b/lib/Raw/RawSyntax.ml
index e69de29..c485af7 100644
--- a/lib/Raw/RawSyntax.ml
+++ b/lib/Raw/RawSyntax.ml
@@ -0,0 +1,5 @@
+type name = string
+
+type bind
+  = Imp
+  | Exp