Personal tools

Examples/Random list

From HaskellWiki

Revision as of 17:33, 2 May 2007 by Gwern (Talk | contribs)

Jump to: navigation, search


Generate a random list of numbers, without using the System.Random.randoms method:

import System.Random
import Data.List
 
main = do
    seed  <- newStdGen
    let rs = randomlist 10 seed
    print rs
 
randomlist :: Int -> StdGen -> [Int]
randomlist n = take n . unfoldr (Just . random)