From a9ee47b61558efe09aee23f5671aabd0c3747e8a Mon Sep 17 00:00:00 2001
From: Joe Zhao <ztuowen@gmail.com>
Date: Tue, 17 Mar 2015 11:05:29 +0800
Subject: p -> h

---
 h6.hs | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 h6.hs

(limited to 'h6.hs')

diff --git a/h6.hs b/h6.hs
new file mode 100644
index 0000000..dc643eb
--- /dev/null
+++ b/h6.hs
@@ -0,0 +1,11 @@
+import Control.Monad
+import Control.Applicative
+
+isPalindrome :: Eq a => [a] -> Bool
+isPalindrome xs = xs == reverse xs
+
+isPalindrome' :: (Eq a) => [a] -> Bool
+isPalindrome' = liftM2 (==) id reverse
+
+isPalindrome'' :: (Eq a) => [a] -> Bool
+isPalindrome'' = (==) <*> reverse
-- 
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