cache_action (Merb::Cache::CacheMixin::ClassMethods)

    # File lib/merb-cache/merb_ext/controller.rb, line 20
        def cache_action(action, conditions = {})
          before("_cache_#{action}_before", conditions.only(:if, :unless).merge(:with => [conditions], :only => action))
          after("_cache_#{action}_after", conditions.only(:if, :unless).merge(:with => [conditions], :only => action))
          alias_method "_cache_#{action}_before", :_cache_before
          alias_method "_cache_#{action}_after",  :_cache_after
        end