From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Wed, 5 Aug 2009 15:04:06 +0000 (+0200)
Subject: Add catMaybesM and concatM helper functions.
X-Git-Url: https://git.stderr.nl/gitweb?a=commitdiff_plain;ds=sidebyside;h=63fcf1474e5b94cbfcee702edf6a334601329dfe;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

Add catMaybesM and concatM helper functions.
---

diff --git "a/c\316\273ash/CLasH/Utils.hs" "b/c\316\273ash/CLasH/Utils.hs"
index 3ce4b9e..731de27 100644
--- "a/c\316\273ash/CLasH/Utils.hs"
+++ "b/c\316\273ash/CLasH/Utils.hs"
@@ -71,3 +71,14 @@ unzipM :: (Monad m) =>
   m [(a, b)]
   -> m ([a], [b])
 unzipM = Monad.liftM unzip
+
+catMaybesM :: (Monad m) =>
+  m [Maybe a]
+  -> m [a]
+catMaybesM = Monad.liftM Maybe.catMaybes
+
+concatM :: (Monad m) =>
+  m [[a]]
+  -> m [a]
+concatM = Monad.liftM concat
+