ty_traits&lt;PMap&gt;::key_type</tt>.</td>
</TR>
<TR>
<TD><tt>val</tt></TD>
<TD>An object of type <tt>boost::property_traits&lt;PMap&gt;::value_type</tt>.</td>
</TR>
</table>

<h3>Associated Types</h3>

<table border>

<tr>
<td>Value Type</td>
<td><TT>boost::property_traits&lt;PMap&gt;::value_type</TT></td> 
<td>
The type of the property.
</td>
</tr>

<tr>
<td>Key Type</td>
<td><TT>boost::property_traits&lt;PMap&gt;::key_type</TT></td> 
<td>
The type of the key object used to look up the property. The prope