module Falcon::Base::ClassMethods

def define_falcon_callbacks(*callbacks)
  define_callbacks *[callbacks, {:terminator => "result == false"}].flatten
  callbacks.each do |callback|
    eval <<-end_callbacks
      def before_#{callback}(*args, &blk)
        set_callback(:#{callback}, :before, *args, &blk)
      end
      def after_#{callback}(*args, &blk)
        set_callback(:#{callback}, :after, *args, &blk)
      end
    end_callbacks
  end
end