# File lib/clafamatt.rb, line 51
    def self.find_or_create_for(klass)
      mod = self.new(klass)
      extend_klass = lambda do
        mod.extend_class!
        mod
      end
      klass_singleton = class << klass; self; end
      klass_singleton.ancestors.find(extend_klass){|a|
        a == mod
      }
    end