可変長引数と名前付き引数

RubyTraning

def obj.foo(*args)
h = {:name=>"A", :no=>1}
last = args.pop
if last.is_a?(Hash)
  last.each do|key,value|
    h[key] = value
  end
  else
    args << last
  end
"#{args.inspect} #{h.inspect}"
end