From: Zhenning Guan <g.zhen.ning@...>
Date: 2010-01-08T18:43:41+09:00
Subject: when to use * arguments?

version one:

def say(*a)
  a.each {|r| puts r }
end

say(1,2,3)
------

version two:

def say(a)
  a.each {|r| puts r }
end

say([1,2,3])
-------
So, any different here? when should we * arguments like version one?
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