From: Hannu Niemistö <hannu.niemisto@semantum.fi>
Date: Mon, 9 Oct 2017 15:31:53 +0000 (+0300)
Subject: (refs #7532) Changed the context of FunctorM from Functor to FunctorE
X-Git-Tag: v1.31.0~137
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F85%2F1085%2F1;p=simantics%2Fplatform.git

(refs #7532) Changed the context of FunctorM from Functor to FunctorE

Change-Id: I3d4e4d430a79f118d5b69426d02a24ccbbf345ce
---

diff --git a/bundles/org.simantics.scl.runtime/scl/Prelude.scl b/bundles/org.simantics.scl.runtime/scl/Prelude.scl
index 8fcd3ced1..5e5bd858b 100644
--- a/bundles/org.simantics.scl.runtime/scl/Prelude.scl
+++ b/bundles/org.simantics.scl.runtime/scl/Prelude.scl
@@ -1081,12 +1081,12 @@ replicate n v = build (\empty cons ->
 
 /// FunctorM ///
 
-class (Functor f) => FunctorM f where
+class (FunctorE f) => FunctorM f where
     "`mapM f` is equivalent to `sequence . map f`."
-    mapM :: Monad m => (a -> m b) -> f a -> m (f b)
+    mapM :: Monad m => (a -> <e> m b) -> f a -> <e> m (f b)
     "Evaluate each action in the sequence from left to right, and collect the results."
     sequence :: Monad m => f (m a) -> m (f a) 
-    mapM f l = sequence (fmap f l)
+    mapM f l = sequence (map f l)
 
 /// MonadE ///