24 Oct
2009
24 Oct
'09
8:05 p.m.
On Sat, Oct 24, 2009 at 05:59:35PM +0100, John Moore wrote:
Hi All, Can anyone help me I want to produce a list of three random numbers for e.g. [7,8,1] I tried using x <- getStdRandom $ randomR (1,10) but don't really understand this and it only generates one number. Any help greatly appreciated.
replicateM is your friend: replicateM :: (Monad m) => Int -> m a -> m [a] so if 'foo' produces a single random number, then 'replicateM 3 foo' produces a list of three. -Brent