From: mike@... (Mike Stok)
Date: 2003-07-21T01:35:43+09:00
Subject: Re: Array and Hash to_s

In article <004f01c34ec6$99a00c80$0100000a@chrismo>,
Chris Morris <chrismo@clabs.org> wrote:

>class Array
>  def to_s
>    res = ''
>    each do |element|
>      res << ', ' if !res.empty?
>      res << element
>    end
>    res
>  end
>end

It may be simpler to achieve this by saying:

  class Array
    def to_s
      join(', ')
    end
  end

Mike
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