La comunità italiana dedicata a ruby

class ChuckNorris
  def initialize
    unless self.class == ChuckNorris
      puts "No one subclasses Chuck Norris" 
      raise "CannotSubclassTheChuckNorris" 
    else
      file, line, method = caller[0].split ":" 
       
    method = method.match(/`(.*)'/)[1]
      
    source = File.readlines(file)
      
    pointer = line.to_i - 1
      
    (line.to_i - 1).downto(0) do |i|
        
      break if source[i].match(/class (.*)\s/)
      
    end
      
    return "Ah, nice try." if $1 == "ChuckNorris" 
       
    puts "No one initializes Chuck Norris, do you understand #{$1}? No one." 
       
    puts "Chuck Norris roundhouse kicks #{$1} so strong that it kills all his siblings too." 
       
    ObjectSpace.each_object(ObjectSpace.const_get($1)) {|o| o = nil}
    
  end
  

  def self.inherited(subclass)
    puts "Understand me, #{subclass}, no one inherits from Chuck Norris, no one." 
    raise "CannotSubClassTheChuckNorris" 
  end
end

class FooBar
  def initialize
    o = ChuckNorris.new
  end
end

class Peppe < ChuckNorris
end

Peppe.new
FooBar.new