On Feb 18, 2011, at 7:57 AM, John Feminella wrote:

> Is it an "undefined method '+' on NilClass"? If so, you forgot to
> assign a value to @plays before incrementing it. You might try
> something like this instead:
>
> def plays
>  @plays ||= 0
> end
>
> def plays=(v)
>  @plays = self.plays + 1
> end
>
> ~ jf
> --
> John Feminella
> Principal Consultant, BitsBuilder
> LI: http://www.linkedin.com/in/johnxf
> SO: http://stackoverflow.com/users/75170/

I think you'd want:

def plays=(v)
   @plays = v
end

In your original:

plays = 5
puts plays
1  # <== ???

I can't imagine that's what the OP wants to see.



>
>
>
> On Thu, Feb 17, 2011 at 23:04, Sam Duncan <sduncan / wetafx.co.nz>  
> wrote:
>> What is the content of @plays?
>>
>> Sam
>>
>>
>> On 18/02/11 17:01, Danny L. wrote:
>>>
>>> hey guys the following line of code is producing a "undefined method
>>> `+':
>>>
>>>  @plays += 1
>>>
>>>
>>> cheers,
>>>
>>> Danny
>>>
>>>
>>
>>
>

Rob Biedenharn		
Rob / AgileConsultingLLC.com	http://AgileConsultingLLC.com/
rab / GaslightSoftware.com	http://GaslightSoftware.com/