# File lib/merb-auth-core/strategy.rb, line 13
    def self.default_strategy_order=(*order)
      order = order.flatten
      bad = order.select{|s| !s.ancestors.include?(Strategy)}
      raise ArgumentError, "#{bad.join(",")} do not inherit from Merb::Authentication::Strategy" unless bad.empty?
      @@default_strategy_order = order
    end