extract_record

# File actionpack/lib/action_dispatch/routing/polymorphic_routes.rb, line 199
        def extract_record(record_or_hash_or_array)
          case record_or_hash_or_array
            when Array; record_or_hash_or_array.last
            when Hash;  record_or_hash_or_array[:id]
            else        record_or_hash_or_array
          end
        end