eral"><span class="pre">&lt;boost/ptr_container/serialize.hpp&gt;</span></tt> or perhaps
just one of the more specialized headers.</p>
<p>All containers are now copy-constructible and assignable. So you can e.g. now
do:</p>
<pre class="literal-block">
boost::ptr_vector&lt;Derived&gt; derived = ...;
boost::ptr_vector&lt;Base&gt;    base( derived );
base = derived;
</pre>
<p>As the example shows, derived-to-base class conversions are also allowed.</p>
<p>A few general functions have been added:</p>
<pre class