  <a href="definitions.html#ntbs">ntbs</a> because the object type is
              not supposed to be user constructible within python scripts.</p>
          </dt>
    </dl>

    <h2><a name="macros"></a>Macros</h2>

    <h3><a name="BOOST_PYTHON_OPAQUE_SPECIALIZED_TYPE_ID-spec"></a>
      Macro BOOST_PYTHON_OPAQUE_SPECIALIZED_TYPE_ID(Pointee)</h3>
    <p>This macro must be used to define specializations of the 
      <a href="type_id.html#type_id-spec">type_id</a> function
      which can't be instantiate