From: Alex Copot <alexandrucopot@...>
Date: 2006-06-05T20:39:45+09:00
Subject: Re: isset kinda function

Thank you very much.


Florian Groß wrote:
> Alex Copot wrote:
> 
>> You have a nil object when you didn't expect it!
>> You might have expected an instance of Array.
>> The error occured while evaluating nil.[]
> 
> Seems like session[:cart] is nil. You can just do
> 
> if session[:cart] then
>    ...
> end
> 
> And things will work correctly.
> 
> What you proably want is to initialize session[:cart] to an object,
> though. You can do that like:
> 
> session[:cart] ||= default
> 
> Hope this helps.


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