ed. It also exposes the <code>init</code>,
  <code>optional</code> and <code>bases</code> utility class templates, which
  are used in conjunction with <code>class_</code>.</p>

  <p><code>&lt;boost/python/class_fwd.hpp&gt;</code> contains a forward
  declaration of the <code>class_</code> class template.</p>

  <h2><a name="classes" id="classes"></a>Classes</h2>

  <h3><a name="class_-spec" id="class_-spec"></a>Class template
  <code>class_&lt;T,&nbsp;<font color="#007F00">Bases,&nbsp;HeldType,
  NonCopyab