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

---
 21-28/23.hs | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 21-28/23.hs

(limited to '21-28/23.hs')

diff --git a/21-28/23.hs b/21-28/23.hs
new file mode 100644
index 0000000..e042f97
--- /dev/null
+++ b/21-28/23.hs
@@ -0,0 +1,8 @@
+import System.Random
+rndSelect :: [a] -> Int -> IO [a]
+
+rndSelect l n 
+    | n > 0 = do r <- rndSelect l (n - 1)
+                 i <- getStdRandom $ randomR (0, (length l) - 1)
+                 return (l!!i:r)
+    | otherwise = return []
-- 
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