From: Angus Kwan <anguskwan@...>
Date: 2008-08-23T04:58:30+09:00
Subject: Re: Iterating through a hash

Farrel Lifson wrote:
> 2008/8/20 Brian Ross <p.brian.ross@gmail.com>:
>> end
>>
>> p map
>>
>> # End of code
> 
> Hash[*hash.map{|key,value| [key.upcase, value]}.flatten]
> 
> Farrel

*hash.map{|key,value| [key.upcase, value]}.flatten

what * do to the array pls? :)
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