From: ts <decoux@...>
Date: 2005-03-15T22:58:16+09:00
Subject: Re: [newby] class variables and class instance variable?

>>>>> "W" == Wolfgang N�dasi-Donner <wonado@donnerweb.de> writes:

>>>>> Example >>>>>
W> class Mytest
W>  @@n_of_Mytest = 0

svg% cat b.rb
#!/usr/local/bin/ruby
class Mytest
   @n_of_Mytest = 0

   def initialize
      self.class.instance_eval { @n_of_Mytest += 1}
   end

   def Mytest.n_of_Mytest
      @n_of_Mytest
   end
end

puts Mytest.n_of_Mytest
a = Mytest.new
puts Mytest.n_of_Mytest
b = Mytest.new
c = Mytest.new
puts Mytest.n_of_Mytest
d = Mytest.new
e = Mytest.new
f = Mytest.new
puts Mytest.n_of_Mytest
svg% 

svg% b.rb
0
1
3
6
svg% 




-- 

Guy Decoux