From: Jan Friedrich <frdrch@...>
Date: 2007-04-21T21:05:05+09:00
Subject: Re: Binary Tree

Martin wrote:
> I'm a newbie in Ruby and I am trying to implement a Binary Tree.
> <snip>
>   def to_s()
>     print "Key = ", @key, " Data = ", @data
>   end
> end
btw: The method to_s should *return* a string *not print* a string!

def to_s
  "Key = #@key Data = #@data"
end


regards
Jan