From: Siep Korteling <s.korteling@...>
Date: 2008-01-30T08:04:04+09:00
Subject: Re: For Loop question

7stud -- wrote:
> 7stud -- wrote:
>>
>> "isnt blank" != nil
>>
> 
> Whoops.  That should be:
> 
> "blank" != nil

But what is "blank" in an array? You can't do a=[nil,,1,2,3] .
Anyway, this is also possible:

a=[nil,nil,nil,2,3,nil,4]
a.detect{|n|n}
=> 2
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