From fa1bf6c2eac1c9f7969ff29504c9f51b9ba48008 Mon Sep 17 00:00:00 2001
From: Determinant <ted.sybil@gmail.com>
Date: Mon, 29 May 2017 01:11:20 -0400
Subject: finish vol 3

---
 21-28/21.hs | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 21-28/21.hs

(limited to '21-28/21.hs')

diff --git a/21-28/21.hs b/21-28/21.hs
new file mode 100644
index 0000000..4cbeb49
--- /dev/null
+++ b/21-28/21.hs
@@ -0,0 +1,5 @@
+insertAt :: a -> [a] -> Int -> [a]
+
+insertAt e (x:xs) n | n > 1 = x:insertAt e xs (n - 1)
+insertAt e l 1 = e:l
+insertAt _ l _ = l
-- 
cgit v1.2.3-70-g09d2