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<html><head><title>XLISP intersection</title>
<link rel="stylesheet" type="text/css" href="reference.css">
</head>
<body>
<a href="../start.htm">Nyquist / XLISP 2.0</a> -
<a href="../manual/contents.htm">Contents</a> |
<a href="../tutorials/tutorials.htm">Tutorials</a> |
<a href="../examples/examples.htm">Examples</a> |
<a href="reference-index.htm">Reference</a>
<hr>
<h1>intersection</h1>
<hr>
<p><table cellpadding="0" cellspacing="0" style="margin-left:10px"><tbody>
<tr valign="top">
<td><nobr>Type:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>Lisp function (closure)</nobr></td>
</tr>
<tr valign="top">
<td><nobr>Source:</nobr></td>
<td><nobr> - </nobr></td>
<td width="100%"><nobr>xm.lsp</nobr></td>
</tr>
</tbody></table></p>
<h2>Syntax</h2>
<p><div class="box">
<dl>
<dt><nobr>(intersection <i>list1 list2</i>)</nobr></dt>
<dd><i>listN</i> - a list of symbols or numbers<br>
returns - the intersection of <i>list1</i> and <i>list2</i></dd>
</dl>
</div></p>
<p>In Nyquist, 'intersection' is implemented as a Lisp function:</p>
<pre class="example">
(defun <font color="#0000CC">intersection</font> (a b)
(let (result)
(dolist (elem a)
(if (member elem b) (push elem result)))
result))
</pre>
<h2>Description</h2>
<p>The 'intersection' function computes the intersection of two lists.</p>
<h2>Examples</h2>
<pre class="example">
</pre>
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<a href="../start.htm">Nyquist / XLISP 2.0</a> -
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