From: Brian Adkins <lojicdotcom@...>
Date: 2007-11-28T10:45:01+09:00
Subject: Re: Most elegant way to do this?

On Nov 27, 5:50 pm, William James <w_a_x_...@yahoo.com> wrote:
> On Nov 27, 7:17 am, Brian Adkins <lojicdot...@gmail.com> wrote:
>
>
>
> > 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).
>
> What so-called correction did you imagine that you had to make?

Sorry for the ambiguity; "it" referred to the original - see other
posts for the imagined correction, so called ;)