From: Jason Lillywhite <jason.lillywhite@...>
Date: 2009-03-12T15:36:27+09:00
Subject: Re: change (and update) values of hash


> This is much easier:
> h.each {|k, v| h[k] = v * 2 }

thank you.

I was told it could be bad to change values during iteration. That is 
why I proposed doing replace. what do you think?
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