def assign_arguments(args = {})
			result_parts = parts.map { |part| assign_argument(part, args) }.compact
			self.class.merge result_parts.unshift(nil)
		end
def assign_arguments(args = {})
			result_parts = parts.map { |part| assign_argument(part, args) }.compact
			self.class.merge result_parts.unshift(nil)
		end
Assign arguments to path for `Controller#path_to`
 @param args [Hash] arguments for assigning