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<center><h1>Module <a href="type_Imperative.Graph.html">Imperative.Graph</a></h1></center>
<br>
<pre><span class="keyword">module</span> Graph: <code class="type"><a href="Imperative.S.html">S</a></code><code class="type"> </code></pre>Imperative Undirected Graphs.<br>
<hr width="100%">
<br>
<b>Edges may be labeled or not</b>:<ul>
<li>Unlabeled: there is no label on edges</li>
<li>Labeled: you have to provide a label implementation as a functor
      parameter.</li>
</ul>

      <b>Vertices may be concrete or abstract</b>:<ul>
<li>Concrete: type of vertex labels and type of vertices are identified.</li>
<li>Abstract: type of vertices is abstract (in particular it is not equal
      to type of vertex labels</li>
</ul>

      <b>How to choose between concrete and abstract vertices for my graph 
      implementation</b>?
<p>

      Usually, if you fall into one of the following cases, use abstract
      vertices: <ul>
<li>you cannot provide efficient comparison/hash functions for vertices; or</li>
<li>you wish to get two different vertices with the same label.</li>
</ul>

      In other cases, it is certainly easier to use concrete vertices.<br>
<pre><span class="keyword">module</span> <a href="Imperative.S.Concrete.html">Concrete</a>: <div class="sig_block"><code class="code">functor (</code><code class="code">V</code><code class="code"> : </code><code class="type"><a href="Sig.COMPARABLE.html">Sig.COMPARABLE</a></code><code class="code">) -&gt; </code><code class="type"><a href="Sig.I.html">Sig.I</a></code><code class="type">  with type V.t = V.t and type V.label = V.t and type E.t = V.t * V.t
	  and type E.label = unit</code></div></pre><div class="info">
Imperative Unlabeled Graphs.
</div>
<pre><span class="keyword">module</span> <a href="Imperative.S.Abstract.html">Abstract</a>: <div class="sig_block"><code class="code">functor (</code><code class="code">V</code><code class="code"> : </code><code class="type"><a href="Sig.ANY_TYPE.html">Sig.ANY_TYPE</a></code><code class="code">) -&gt; </code><code class="type"><a href="Sig.IM.html">Sig.IM</a></code><code class="type">  with type V.label = V.t and type E.label = unit</code></div></pre><div class="info">
Abstract Imperative Unlabeled Graphs.
</div>
<pre><span class="keyword">module</span> <a href="Imperative.S.ConcreteLabeled.html">ConcreteLabeled</a>: <div class="sig_block"><code class="code">functor (</code><code class="code">V</code><code class="code"> : </code><code class="type"><a href="Sig.COMPARABLE.html">Sig.COMPARABLE</a></code><code class="code">) -&gt; </code><div class="sig_block"><code class="code">functor (</code><code class="code">E</code><code class="code"> : </code><code class="type"><a href="Sig.ORDERED_TYPE_DFT.html">Sig.ORDERED_TYPE_DFT</a></code><code class="code">) -&gt; </code><code class="type"><a href="Sig.I.html">Sig.I</a></code><code class="type">  with type V.t = V.t and type V.label = V.t 
	    and type E.t = V.t * E.t * V.t and type E.label = E.t</code></div></div></pre><div class="info">
Imperative Labeled Graphs.
</div>
<pre><span class="keyword">module</span> <a href="Imperative.S.AbstractLabeled.html">AbstractLabeled</a>: <div class="sig_block"><code class="code">functor (</code><code class="code">V</code><code class="code"> : </code><code class="type"><a href="Sig.ANY_TYPE.html">Sig.ANY_TYPE</a></code><code class="code">) -&gt; </code><div class="sig_block"><code class="code">functor (</code><code class="code">E</code><code class="code"> : </code><code class="type"><a href="Sig.ORDERED_TYPE_DFT.html">Sig.ORDERED_TYPE_DFT</a></code><code class="code">) -&gt; </code><code class="type"><a href="Sig.IM.html">Sig.IM</a></code><code class="type">  with type V.label = V.t and type E.label = E.t</code></div></div></pre><div class="info">
Abstract Imperative Labeled Graphs.
</div>
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