X-Git-Url: https://git.martlubbers.net/?a=blobdiff_plain;f=sem.icl;h=0ffcdd282015af67631b0cd926d3042b01650379;hb=24472f94b2af1d2c01db24c4ddfe61143dda1459;hp=833d543039e2890b2f806e194401e61f7cf4cd49;hpb=d509f40d8fdf986a852b80326dd157f0b68117d1;p=cc1516.git

diff --git a/sem.icl b/sem.icl
index 833d543..0ffcdd2 100644
--- a/sem.icl
+++ b/sem.icl
@@ -50,7 +50,7 @@ variableStream = map toString [1..]
 
 defaultGamma :: Gamma //includes all default functions
 defaultGamma = extend "print" (Forall ["a"] ((IdType "a") ->> VoidType))
-                $ extend "isEmpty" (Forall ["a"] (ListType (IdType "a") ->> BoolType))
+                $ extend "isEmpty" (Forall ["a"] ((ListType (IdType "a")) ->> BoolType))
                 $ extend "read" (Forall [] (IntType ->> (ListType CharType)))
                 zero
 
@@ -178,7 +178,6 @@ generalize :: Type -> Typing Scheme
 generalize t = gamma >>= \g-> pure $ Forall (difference (ftv t) (ftv g)) t
 
 lookup :: String -> Typing Type 
-lookup "isEmpty" = ListType <$> fresh
 lookup k = gamma >>= \g-> case 'Map'.member k g of
     False = liftT (Left $ UndeclaredVariableError zero k)
     True = instantiate $ 'Map'.find k g