From: Jason Lillywhite <jason.lillywhite@...>
Date: 2009-03-12T14:50:19+09:00
Subject: Re: change (and update) values of hash

Is this the best solution:

 h = {"a"=> 3, "b"=> 5}

x = {}

h.each {|k,v| x[k] = v*2}

=> {"a"=>3, "b"=>5}

h.replace(x)

=> {"a"=>6, "b"=>10}


?
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