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<h1>Module <code>pl.permute</code></h1>
<p>Permutation operations.</p>
<p> Dependencies: <a href="../libraries/pl.utils.html#">pl.utils</a>, <a href="../libraries/pl.tablex.html#">pl.tablex</a></p>
<h2><a href="#Functions">Functions</a></h2>
<table class="function_list">
<tr>
<td class="name" nowrap><a href="#iter">iter (a)</a></td>
<td class="summary">an iterator over all permutations of the elements of a list.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#table">table (a)</a></td>
<td class="summary">construct a table containing all the permutations of a list.</td>
</tr>
</table>
<br/>
<br/>
<h2 class="section-header "><a name="Functions"></a>Functions</h2>
<dl class="function">
<dt>
<a name = "iter"></a>
<strong>iter (a)</strong>
</dt>
<dd>
an iterator over all permutations of the elements of a list.
Please note that the same list is returned each time, so do not keep references!
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">a</span>
list-like table
</li>
</ul>
<h3>Returns:</h3>
<ol>
an iterator which provides the next permutation as a list
</ol>
</dd>
<dt>
<a name = "table"></a>
<strong>table (a)</strong>
</dt>
<dd>
construct a table containing all the permutations of a list.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">a</span>
list-like table
</li>
</ul>
<h3>Returns:</h3>
<ol>
a table of tables
</ol>
<h3>Usage:</h3>
<ul>
<pre class="example">permute.<span class="global">table</span> {<span class="number">1</span>,<span class="number">2</span>,<span class="number">3</span>} <span class="comment">--> {{2,3,1},{3,2,1},{3,1,2},{1,3,2},{2,1,3},{1,2,3}}</span></pre>
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