From a9abc1da41b56edbed00081800382e854d6698d0 Mon Sep 17 00:00:00 2001
From: Joe Zhao <ztuowen@gmail.com>
Date: Tue, 31 Mar 2015 23:41:55 +0800
Subject: rename to H**, +31 +32 +33 +34 +35 +36

---
 H3.hs | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 H3.hs

(limited to 'H3.hs')

diff --git a/H3.hs b/H3.hs
new file mode 100644
index 0000000..7c8604d
--- /dev/null
+++ b/H3.hs
@@ -0,0 +1,7 @@
+elementAt :: [a] -> Integer -> Maybe a
+
+elementAt [] _ = Nothing
+elementAt (x:xs) 1 = Just x
+elementAt (x:xs) n
+    | n>1 = elementAt xs (n-1)
+    | otherwise = Nothing
-- 
cgit v1.2.3-70-g09d2