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<h1>Module type <a href="type_Immutable_types.DCounter.html">Immutable_types.DCounter</a></h1>

<pre><span class="keyword">module type</span> DCounter = <code class="code"><span class="keyword">sig</span></code> <a href="Immutable_types.DCounter.html">..</a> <code class="code"><span class="keyword">end</span></code></pre><div class="info modtype top">
Increment / decrement counter type. Supports merging, incrementing and
    decrementing.
<p>

    The <code class="code">elt</code> type (included from <code class="code"><span class="constructor">IVector</span></code> must be supplied when including).<br>
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<pre><span class="keyword">include</span> <a href="Immutable_types.IVector.html">Immutable_types.IVector</a></pre>

<pre><span id="VALdecr"><span class="keyword">val</span> decr</span> : <code class="type">t -> t</code></pre><div class="info ">
<code class="code">decr t</code> decrements the position associated with the <code class="code">numsite</code> of <code class="code">t</code>.
      See <a href="I_IntVector.html"><code class="code"><span class="constructor">I_IntVector</span></code></a> for more information on <code class="code">numsites</code>.<br>
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