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add-dependent.html
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<HTML>
<HEAD>
<TITLE>add-dependent</TITLE>
<LINK rel="stylesheet" type="text/css" href="clos-mop.css">
</HEAD>
<BODY>
<nav><ul class=navigation>
<li class=navigation>
<a href="table-of-contents.html" title="Table of contents"><img src="toc.png" alt="TOC"></a>
</li>
<li class=navigation>
<a href="all-no-methods.html" title="Up"><img src="up.png" alt="Up"></a>
</li>
</ul></nav>
<A NAME="add-dependent"><I>Generic Function</I> <B>ADD-DEPENDENT</B>
<P><B>Syntax:</B></P>
<P><B>add-dependent</B> <I>metaobject</I> <I>dependent</I> =>
<I>unspecified</I>
<P><B>Arguments and values:</B></P>
<P><I>metaobject</I> -- A class or a generic function metaobject.</P>
<P><I>dependent</I> -- An object.</P>
<P><B>Description:</B></P>
<p>
This generic function adds <I>dependent</I> to the dependents of
<I>metaobject</I>. If <I>dependent</I> is already in the set of
dependents it is not added again (no error is signaled).
</p>
<p>
The generic function
<a href="map-dependents.html">map-dependents</a> can be called to
access the set of dependents of a class or generic function. The
generic function
<a href="remove-dependent.html">remove-dependent</a>
can be called to remove an object from the set of
dependents of a class or generic function. The effect of calling
<B>add-dependent</B> or
<a href="remove-dependent.html">remove-dependent</a>
while a call to
<a href="map-dependents.html">map-dependents</a>
on the same class or generic function is in progress is
unspecified.
</p>
<p>
The situations in which <B>add-dependent</B> is called are not specified.
</p>
<P><B>Methods:</B></P>
<table>
<tr>
<td><a href="add-dependent-standard-class.html">
<B>add-dependent</B> (<I>class</I> standard-class)
<I>dependent</I></a>
</td>
</tr>
<tr>
<td><a href="add-dependent-funcallable-standard-class.html">
<B>add-dependent</B> (<I>class</I> funcallable-standard-class)
<I>dependent</I></a>
</td>
</tr>
<tr>
<td><a href="add-dependent-standard-generic-function.html">
<B>add-dependent</B> (<I>generic-function</I> standard-generic-function)
<I>dependent</I></a>
</td>
</tr>
</table>
<P><B>Remarks:</B></P>
<P>
See the
<a href="dependent-maintenance-protocol.html">
``Dependent Maintenance Protocol'' section</a> for remarks about the use
of this facility.
</P>
</BODY>
</HTML>