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<h1>Penlight</h1>
<ul>
<li><a href="https://github.com/lunarmodules/Penlight">GitHub Project</a></li>
<li><a href="../index.html">Documentation</a></li>
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<h2>Contents</h2>
<ul>
<li><a href="#Methods">Methods</a></li>
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<h2>Classes</h2>
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<li><a href="../classes/pl.Date.html">pl.Date</a></li>
<li><a href="../classes/pl.List.html">pl.List</a></li>
<li><a href="../classes/pl.Map.html">pl.Map</a></li>
<li><strong>pl.MultiMap</strong></li>
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<li><a href="../libraries/pl.html">pl</a></li>
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<h2>Manual</h2>
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<li><a href="../manual/01-introduction.md.html">Introduction</a></li>
<li><a href="../manual/02-arrays.md.html">Tables and Arrays</a></li>
<li><a href="../manual/03-strings.md.html">Strings. Higher-level operations on strings.</a></li>
<li><a href="../manual/04-paths.md.html">Paths and Directories</a></li>
<li><a href="../manual/05-dates.md.html">Date and Time</a></li>
<li><a href="../manual/06-data.md.html">Data</a></li>
<li><a href="../manual/07-functional.md.html">Functional Programming</a></li>
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<li><a href="../examples/seesubst.lua.html">seesubst.lua</a></li>
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<h1>Class <code>pl.MultiMap</code></h1>
<p>MultiMap, a Map which has multiple values per key.</p>
<p> Dependencies: <a href="../libraries/pl.utils.html#">pl.utils</a>, <a href="../libraries/pl.class.html#">pl.class</a>, <a href="../classes/pl.List.html#">pl.List</a>, <a href="../classes/pl.Map.html#">pl.Map</a></p>
<h2><a href="#Methods">Methods</a></h2>
<table class="function_list">
<tr>
<td class="name" nowrap><a href="#pl.multimap:update">pl.multimap:update (t)</a></td>
<td class="summary">update a MultiMap using a table.</td>
</tr>
<tr>
<td class="name" nowrap><a href="#pl.multimap:set">pl.multimap:set (key, val)</a></td>
<td class="summary">add a new value to a key.</td>
</tr>
</table>
<br/>
<br/>
<h2 class="section-header "><a name="Methods"></a>Methods</h2>
<dl class="function">
<dt>
<a name = "pl.multimap:update"></a>
<strong>pl.multimap:update (t)</strong>
</dt>
<dd>
update a MultiMap using a table.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">t</span>
either a Multimap or a map-like table.
</li>
</ul>
<h3>Returns:</h3>
<ol>
the map
</ol>
</dd>
<dt>
<a name = "pl.multimap:set"></a>
<strong>pl.multimap:set (key, val)</strong>
</dt>
<dd>
add a new value to a key. Setting a nil value removes the key.
<h3>Parameters:</h3>
<ul>
<li><span class="parameter">key</span>
the key
</li>
<li><span class="parameter">val</span>
the value
</li>
</ul>
<h3>Returns:</h3>
<ol>
the map
</ol>
</dd>
</dl>
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