start (Merb::Slices::DynamicLoader)

    # File lib/merb-slices/module.rb, line 320
          def self.start(interval = nil)
            self.lookup ||= Set.new(Merb::Slices.slice_files_from_search_path)
            @thread = self.every(interval || Merb::Plugins.config[:merb_slices][:autoload_interval] || 1.0) do
              current_files = Set.new(Merb::Slices.slice_files_from_search_path)
              (current_files - self.lookup).each { |f| Merb::Slices.activate_by_file(f) }
              (self.lookup - current_files).each { |f| Merb::Slices.deactivate_by_file(f) }
              self.lookup = current_files
            end
          end