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Initial revision
Annotate for file docs/html/symbol-template-class.html
2004-11-17 mantoniotti
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<html>
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<head>
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<title>CL Unification: Class SYMBOL-TEMPLATE</title>
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<link rel="stylesheet" href="main.css">
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</head>
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<body marginheight="0" marginwidth="0" leftmargin="0" topmargin="0" bgcolor="#ffffff">
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<tr>
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<div class="header"
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style="font-family:=Verdana,Arial,Helvetica; font-size: 18px; color: #41286f;">
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<strong><i>CL Unification: Class SYMBOL-TEMPLATE</title></i></strong>
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<div class="navigation">
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<a href="index.html" class="navigation-link">Home</a>
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<div class="middle-bar"><img src="images/shim.gif" height="5" width="1"></div>
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<div class="black-line"><img src="images/shim.gif" height="1" width="1"></div>
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</td>
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</tr>
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<td height="100%"> </td>
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<td valign="top" width="80%" height="100%">
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<div class="content">
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<div class="text" style="padding-top: 10px;">
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<h1><i>Class</i> <strong>SYMBOL-TEMPLATE</strong></h1>
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<h2>Package:</h2>
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<p><code>COMMON-LISP.EXTENSIONS.DATA-AND-CONTROL-FLOW.UNIFICATION</code></p>
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<h2>Class Precedence List:</h2>
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<p>
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SYMBOL-TEMPLATE, TYPE-TEMPLATE, TEMPLATE, STANDARD-OBJECT, T.
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</p>
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<h2>Known Subclasses:</h2>
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<p>
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None.
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</p>
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<h2>Slots:</h2>
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<p>None.</p>
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<h2>Description:</h2>
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<p>The SYMBOL-TEMPLATE class is the class of the objects that UNIFY
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recognizes as symbol templates.</p>
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<h3>Template Syntax</h3>
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<p>The <i>specification</i> of a SYMBOL-TEMPLATE has one of the two
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forms below:</p>
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<p><pre>
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#T<i><symbol></i>
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</pre>
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or
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<pre>
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#T(<b>symbol</b> <i><value></i>)
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</pre>
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where <i>value</i> must be either a <em>unification variable</em> or
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a SYMBOL.
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</p>
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<h2>Affected By:</h2>
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<p>None.</p>
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<h2>Exceptional Situations:</h2>
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<p>Unifying a SYMBOL-TEMPLATE against a non-SYMBOL object results in
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an UNIFICATION-FAILURE error being signaled.</p>
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<h2>See Also:</h2>
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<p>UNIFY, NIL-TEMPLATE</p>
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<h2>Notes:</h2>
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<p>NIL-TEMPLATE should be used to specifically UNIFY against NIL.</p>
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</td>
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<!-- <td height="100%"> </td> -->
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</tr>
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<tr height="100%">
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<td height="100%"> </td>
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<td valign="top" width="80%" height="100%">
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<div class="content">
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<div class="text" style="padding-top: 10px;">
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<h1>News</h1>
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<p>News in chronological order, most recent on top.
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</p>
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<ul>
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<li><strong>2004-06-11</strong><br>
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Completed description.
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</li>
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</ul>
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</div>
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</div>
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</td>
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<td height="100%"> </td>
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</tr>
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<tr>
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<td colspan="3" valign="bottom" align="right">
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<div class="copyright">
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© 2003-2004, Marco Antoniotti, all rights reserved.
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</div>
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</td>
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</tr>
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</table>
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</body>
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</html>
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