# File lib/merb-slices/controller_mixin.rb, line 141
          def slice_url(*args)
            opts = args.last.is_a?(Hash) ? args.pop : {}
            slice_name, route_name = if args[0].is_a?(Symbol) && args[1].is_a?(Symbol)
              [args.shift, args.shift] # other slice identifier, route name
            elsif args[0].is_a?(Symbol)
              [slice.identifier_sym, args.shift] # self, route name
            else
              [slice.identifier_sym, :default] # self, default route
            end
            
            routes = Merb::Slices.named_routes[slice_name]
            unless routes && route = routes[route_name]
              raise Merb::Router::GenerationError, "Named route not found: #{route_name}"
            end
            
            args.push(opts)
            route.generate(args, params)
          end