From: Ramakrishnan Muthukrishnan <ram@rkrishnan.org>
Date: Wed, 24 Dec 2014 14:23:41 +0000 (+0530)
Subject: write prod in a more compositional style.
X-Git-Url: https://git.rkrishnan.org/%5B/frontends/%22file:/%22doc.html/$rel_link?a=commitdiff_plain;h=fb0bcf79e2ef591bb4165a1bfeeae7a41b4b559a;p=yorgey.git

write prod in a more compositional style.
---

diff --git a/misc/monoids.hs b/misc/monoids.hs
index f15c89f..dd82cad 100644
--- a/misc/monoids.hs
+++ b/misc/monoids.hs
@@ -6,7 +6,7 @@ import Data.Monoid
 data Tree a = Empty
             | Node (Tree a) a (Tree a)
               deriving (Eq, Show)
-                       
+
 leaf :: a -> Tree a
 leaf x = Node Empty x Empty
 
@@ -72,4 +72,4 @@ lst :: [Integer]
 lst = [1,5,8,23,423,99]
 
 prod :: Integer
-prod = getProd $ mconcat $ map Prod' lst
+prod = getProd . mconcat . map Prod' $ lst