From: Brian Adkins <lojicdotcom@...>
Date: 2007-11-27T22:19:59+09:00
Subject: Re: Most elegant way to do this?

On Nov 27, 6:26 am, William James <w_a_x_...@yahoo.com> wrote:
> On Nov 26, 6:17 pm, rbysam...@gmail.com wrote:
>
> > Are there any more elegant, concise, pithy, and more Rubyish ways of
> > doing this?
>
> > def roll(number_of_dice)
> >     sum = 0
> >     number_of_dice.times do
> >         sum += rand(5).next
> >     end
> >     sum
> > end
>
> > Thanks in advance!
>
> def sum *x
>   x.inject{|a,b| a+b}
> end
> def roll n
>   sum( *(1..n).map{rand(6)+1} )
> end

Clever, but 3 times slower than the original (after correcting it).