# File lib/ramaze/helper/user.rb, line 199
        def _would_login?(creds)
          return unless creds

          if c = @_callback
            c.call(creds)
          elsif _model.respond_to?(:authenticate)
            _model.authenticate(creds)
          else
            Log.warn("Helper::User has no callback and there is no %p::authenticate" % _model)
            nil
          end
        end