class ActionView::Base

def with_empty_template_cache # :nodoc:
  subclass = Class.new(self) {
    # We can't implement these as self.class because subclasses will
    # share the same template cache as superclasses, so "changed?" won't work
    # correctly.
    define_method(:compiled_method_container)           { subclass }
    define_singleton_method(:compiled_method_container) { subclass }
  }
end