From: Alex Young <alex@...>
Date: 2007-11-27T18:35:52+09:00
Subject: Re: Most elegant way to do this?

Phrogz wrote:
> 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.
Oops :-)

-- 
Alex