From: Ant Walliams <anthonywainwright@...>
Date: 2010-05-29T04:17:56+09:00
Subject: Re: A complete beginners question

Rob Biedenharn wrote:
> On May 28, 2010, at 2:59 PM, Ant Walliams wrote:
>> making your changes. Any ideas?
>>
>> Thanks
>> Ant
> 
> the problem is with number+=1
> 
> number is a string because gets.chomp is a string
> 
> number+=1 is syntactic sugar for
> number = number + 1
> 
> And the expression number + 1 is trying to add 1 (a Fixnum) to a string
> 
> Try changing:
> 
> number = gets.chomp.to_i
> 
> to convert the string into an integer (which if small enough will be
> held in an instance of Fixnum).
> 
> Then, you'll have the opposite problem with the last line unless you
> incorporate Reid's suggestion.
> 
> -Rob
> 
> Rob Biedenharn    http://agileconsultingllc.com
> Rob@AgileConsultingLLC.com


Thank you very much, that worked. And thanks for the explanation of how 
it works as well, that really helps.

Thanks
Ant
-- 
Posted via http://www.ruby-forum.com/.