Change syntax for newtypes in External Core

[ghc-hetmet.git] / compiler / coreSyn / ExternalCore.lhs

diff --git a/compiler/coreSyn/ExternalCore.lhs b/compiler/coreSyn/ExternalCore.lhs
index 86a0d03..5754f84 100644 (file)
--- a/compiler/coreSyn/ExternalCore.lhs
+++ b/compiler/coreSyn/ExternalCore.lhs
@@ -10,12 +10,15 @@ data Module
 
 data Tdef 
   = Data (Qual Tcon) [Tbind] [Cdef]
-  | Newtype (Qual Tcon) [Tbind] (Maybe Ty)
+  | Newtype (Qual Tcon) [Tbind] Axiom (Maybe Ty)
 
 data Cdef 
   = Constr Dcon [Tbind] [Ty]
   | GadtConstr Dcon Ty
 
+-- Newtype coercion
+type Axiom = (Qual Tcon, Kind)
+
 data Vdefg 
   = Rec [Vdef]
   | Nonrec Vdef