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class test1
  def Fib(max)
    i1,i2 = 1,1
    while i1 <= max
      yield i1
      i1,i2=i2,i1+i2
    end
  end
end

Fib(100){|f| print f," "}

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class test2
  def test2.Fib
    i1,i2 = 1,1
    i1,
    i2=i2,  ££È¥µô¾Í±¨´í
    i1+i2
  end
end

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