# File lib/twitter/rest/users.rb, line 169
      def block?(user, options = {})
        user_id = begin
          case user
          when Integer
            user
          when String, URI, Addressable::URI
            user(user).id
          when Twitter::User
            user.id
          end
        end

        blocked_ids(options).collect(&:to_i).include?(user_id)
      end