Re: [問題] method 要如何將數字 pass by reference

[LyinZ (琳子)]

hmm...

我都直接這樣子用:

 def swap a, b
  a[0], b[0] = b[0], a[0]
 end

然後用的時候就..

 a = ['x']
 b = ['y']

 swap a, b

懶懶 :p

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