From: Rob Biedenharn <Rob@...>
Date: 2011-04-26T03:43:46+09:00
Subject: Re: problem with ruby19's Hash behavior


On Apr 25, 2011, at 8:25 AM, Aaron wrote:

> Thanks a lot ;)
>
> kind of clear now, so my code's problem is Hash.new{[]} didn't store  
> the array object into the Hash
>


If you want the value stored, you need to do it yourself:

[1].inject(
            Hash.new{|h,k|h[k]=[]}
                                  ){ |result, i| result[:mem] << i;    
result }
=> {:mem=>[1]}

-Rob

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