module Pancake module Mixins module StackHelper def self.included(base) base.extlib_inheritable_accessor :_stack_class base.extend ClassMethods base.class_eval do include ::Pancake::Mixins::StackHelper::InstanceMethods end base.stack_class end module ClassMethods def stack_class return @_stack_class if @_stack_class klass = nil if name =~ /^\#