From: Alex Young <alex@...>
Date: 2007-11-27T18:36:41+09:00
Subject: Re: Most elegant way to do this?

Robert Klemme wrote:
> 2007/11/27, Phrogz <phrogz@mac.com>:
>> On Nov 26, 5:24 pm, Alex Young <a...@blackkettle.org> wrote:
>>> 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
>>> The Incredible Inevitable Inject:
>>>
>>> def roll(number_of_dice)
>>>    (0...number_of_dice).inject(0){|m,r| rand(5)+m}
>>> end
>> You missed the +1 needed to take rand(5) to 1..6 instead of 0..5.
> 
> And everybody apparently missed 6 because rand(5) will yield *5*
> values ranging in 0..4. :-))

http://hometown.aol.com/dicetalk/polymor2.htm

Nobody said dice have to be cubic...

-- 
Alex