X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=sem.dcl;h=a2bcd572e08683f42b0d5d8d953dc98c4157a8c7;hb=c13e6ac6caa1b0d3578caf9310303920d47cf85f;hp=6351c04369b0c83b12d447c031feb6c40c5b427a;hpb=4f162814483aa0ab4e11cab51e23f807bece906c;p=cc1516.git

diff --git a/sem.dcl b/sem.dcl
index 6351c04..a2bcd57 100644
--- a/sem.dcl
+++ b/sem.dcl
@@ -1,5 +1,6 @@
 definition module sem
 
+import qualified Data.Map as Map
 from Data.Either import :: Either
 from AST import :: AST, :: Pos, :: Type
 from StdOverloaded import class toString
@@ -7,10 +8,12 @@ from StdOverloaded import class toString
 :: SemError 
 	= ParseError Pos String 
 	| UnifyError Pos Type Type 
+	| UnifyErrorStub Type Type 
 	| Error String
-:: SemOutput :== Either [SemError] AST
-
+:: Gamma
+:: SemOutput :== Either [SemError] (AST, Gamma)
 
 instance toString SemError
+instance toString Gamma
 
 sem :: AST -> SemOutput