ypes.html#RANGETYPES-IO" title="8.17.5. Range Input/Output">Section 8.17.5</a> for more details.)
  </p><p>
   The functions <code class="literal">lower_inc</code>
   and <code class="literal">upper_inc</code> test the inclusivity of the lower
   and upper bounds of a range value, respectively.
  </p></div><div class="sect2" id="RANGETYPES-INFINITE"><div class="titlepage"><div><div><h3 class="title">8.17.4. Infinite (Unbounded) Ranges <a href="#RANGETYPES-INFINITE" class="id_link">#</a></h3></div></div><