X-Git-Url: https://git.stderr.nl/gitweb?a=blobdiff_plain;f=c%CE%BBash%2FCLasH%2FUtils.hs;fp=c%CE%BBash%2FCLasH%2FUtils.hs;h=94da85494f2216f75b395b542ed6c07b5362ecbf;hb=7d3ab3315462e18a84e6d0312dd3c444292e43bb;hp=822bd55dae5c7bb286552f08178dce7600ab5009;hpb=537f5cc89c2a2581b0d7023320e1ade723a01759;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

diff --git "a/c\316\273ash/CLasH/Utils.hs" "b/c\316\273ash/CLasH/Utils.hs"
index 822bd55..94da854 100644
--- "a/c\316\273ash/CLasH/Utils.hs"
+++ "b/c\316\273ash/CLasH/Utils.hs"
@@ -50,3 +50,10 @@ isJustM = Monad.liftM Maybe.isJust
 andM, orM :: (Monad m) => m [Bool] -> m Bool
 andM = Monad.liftM and
 orM = Monad.liftM or
+
+mapAccumLM :: (Monad m) => (acc -> x -> m (acc, y)) -> acc -> [x] -> m (acc, [y])
+mapAccumLM _ s []        =  return (s, [])
+mapAccumLM f s (x:xs)    =  do
+  (s',  y ) <- f s x
+  (s'', ys) <- mapAccumLM f s' xs
+  return (s'', y:ys)