> Why "presumably with side effects?"Otherwise you would use repeat. A pure
function returns the same value every time, so there is no reason to call
it repeatedly.
Joshua
On Tue, Mar 24, 2009 at 10:04 AM, Paul Drummond <paul.drumm...@iode.co.uk>wrote:
>
> 2009/3/23 Krešimir Šojat <kso...@gmail.com>:
> > (rand-int 49) will produce one integer, and repeat will repeat it 10
> > times, that is why you see same number repeated.
>
> How embarrassing!
>
> As soon as I switched my machine off last night I realised rand-int
> was only being called once - of course it was!
>
> I did consider 'repeatedly' but I couldn't get it to work for some
> reason - thank you for showing me how to use it. Also, I was put off
> from using it when I read its doc-string which says:
>
> "Takes a function of no args, presumably with side effects, and
> returns an infinite lazy sequence of calls to it"
>
> Why "presumably with side effects?"
>
> Cheers,
> Paul.
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