1 files changed, 15 insertions, 0 deletions
diff --git a/listlen.hs b/listlen.hs
new file mode 100644
index 0000000..cb60aef
--- /dev/null
+++ b/listlen.hs
@@ -0,0 +1,15 @@
+
+-- compute length of list
+
+
+listlen :: [a] -> Int
+listlen2 :: [a] -> Int -> Int
+
+listlen ( x:xs )    = listlen2 xs 1
+listlen2 ( x:xs ) n = listlen2 xs (n + 1)
+listlen2 [] n       = n
+
+myReverse (x:xs)  = myReverse xs ++ [x]
+myReverse []      = []
+
+makePalin x       = x ++ myReverse x