Sophie

Sophie

distrib > Mandriva > 2010.2 > i586 > media > contrib-release > by-pkgid > 484f7fece98a0938a552c0b7903cfe22 > files > 285

ocaml-ocamlgraph-doc-1.1-1mdv2010.1.i586.rpm

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<code class="code"><span class="keyword">sig</span><br>
&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;color&nbsp;=&nbsp;int<br>
&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;arrow_style&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Dot</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Inv</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Invdot</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Invodot</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">None</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Normal</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Odot</span>&nbsp;]<br>
&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="keyword">type</span>&nbsp;<span class="constructor">ATTRIBUTES</span>&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;graph<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;vertex<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;edge<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;subgraph&nbsp;=&nbsp;{<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sg_name&nbsp;:&nbsp;string;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sg_attributes&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">ATTRIBUTES</span>.vertex&nbsp;list;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">CommonAttributes</span>&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;graph&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Center</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">OrderingOut</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Orientation</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Landscape</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Portrait</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Page</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Pagedir</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">LeftToRight</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">TopToBottom</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Size</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;*&nbsp;float&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;vertex&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Color</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Height</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Orientation</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Peripheries</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Regular</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Shape</span>&nbsp;<span class="keyword">of</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Box</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Circle</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Diamond</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Doublecircle</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Ellipse</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Plaintext</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Polygon</span>&nbsp;<span class="keyword">of</span>&nbsp;int&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Record</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Style</span>&nbsp;<span class="keyword">of</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Bold</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dashed</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dotted</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Filled</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Invis</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Solid</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Width</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;edge&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Color</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Decorate</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dir</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Back</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Both</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Forward</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">None</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Style</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Bold</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dashed</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dotted</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Invis</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Solid</span>&nbsp;]&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">DotAttributes</span>&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;graph&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Bgcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Center</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Comment</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Concentrate</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontpath</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Layers</span>&nbsp;<span class="keyword">of</span>&nbsp;string&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Margin</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Mclimit</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Nodesep</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Nslimit</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Nslimit1</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">OrderingOut</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Orientation</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Landscape</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Portrait</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Page</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Pagedir</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">LeftToRight</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">TopToBottom</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Quantum</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Rankdir</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">LeftToRight</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">TopToBottom</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Ranksep</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Ratio</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Auto</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Compress</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fill</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Float</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Samplepoints</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Size</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Url</span>&nbsp;<span class="keyword">of</span>&nbsp;string&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;vertex&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Color</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Comment</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Distortion</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fillcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fixedsize</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Height</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Layer</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Orientation</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Peripheries</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Regular</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Shape</span>&nbsp;<span class="keyword">of</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Box</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Circle</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Diamond</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Doublecircle</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Ellipse</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Plaintext</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Polygon</span>&nbsp;<span class="keyword">of</span>&nbsp;int&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Record</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Style</span>&nbsp;<span class="keyword">of</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Bold</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dashed</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dotted</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Filled</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Invis</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Solid</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Url</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Width</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Z</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;edge&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Arrowhead</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.arrow_style<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Arrowsize</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Arrowtail</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.arrow_style<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Color</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Comment</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Constraints</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Decorate</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dir</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Back</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Both</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Forward</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">None</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Headlabel</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Headport</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">E</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">N</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">NE</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">NW</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">S</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">SE</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">SW</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">W</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Headurl</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelangle</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labeldistance</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfloat</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Layer</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Minlen</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Samehead</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Sametail</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Style</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Bold</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dashed</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dotted</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Invis</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Solid</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Taillabel</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Tailport</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">E</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">N</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">NE</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">NW</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">S</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">SE</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">SW</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">W</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Tailurl</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Weight</span>&nbsp;<span class="keyword">of</span>&nbsp;int&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;subgraph&nbsp;=&nbsp;{<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sg_name&nbsp;:&nbsp;string;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sg_attributes&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">DotAttributes</span>.vertex&nbsp;list;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">Dot</span>&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">functor</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<span class="constructor">X</span>&nbsp;:&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">V</span>&nbsp;:&nbsp;<span class="keyword">sig</span>&nbsp;<span class="keyword">type</span>&nbsp;t&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">E</span>&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;src&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">E</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">V</span>.t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;dst&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">E</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">V</span>.t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;iter_vertex&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">V</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit)&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;iter_edges_e&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">E</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit)&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;graph_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">DotAttributes</span>.graph&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;default_vertex_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">DotAttributes</span>.vertex&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;vertex_name&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">V</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;vertex_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">V</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">DotAttributes</span>.vertex&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;get_subgraph&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">V</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">DotAttributes</span>.subgraph&nbsp;option<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;default_edge_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">DotAttributes</span>.edge&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;edge_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Dot</span>.<span class="constructor">E</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">DotAttributes</span>.edge&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span>)&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;fprint_graph&nbsp;:&nbsp;<span class="constructor">Format</span>.formatter&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">X</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;output_graph&nbsp;:&nbsp;<span class="constructor">Pervasives</span>.out_channel&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">X</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">NeatoAttributes</span>&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;graph&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Center</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Margin</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">OrderingOut</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Orientation</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Landscape</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Portrait</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Overlap</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Page</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Pagedir</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">LeftToRight</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">TopToBottom</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Sep</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Size</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Spline</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Start</span>&nbsp;<span class="keyword">of</span>&nbsp;int&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;vertex&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Color</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Height</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Orientation</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Peripheries</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Pos</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Regular</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Shape</span>&nbsp;<span class="keyword">of</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Box</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Circle</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Diamond</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Doublecircle</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Ellipse</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Plaintext</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Polygon</span>&nbsp;<span class="keyword">of</span>&nbsp;int&nbsp;*&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Record</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Style</span>&nbsp;<span class="keyword">of</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Bold</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dashed</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dotted</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Filled</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Invis</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Solid</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Width</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;edge&nbsp;=<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Color</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Decorate</span>&nbsp;<span class="keyword">of</span>&nbsp;bool<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dir</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Back</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Both</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Forward</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">None</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Fontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Id</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Label</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontcolor</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Graphviz</span>.color<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontname</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Labelfontsize</span>&nbsp;<span class="keyword">of</span>&nbsp;int<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Len</span>&nbsp;<span class="keyword">of</span>&nbsp;float<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Style</span>&nbsp;<span class="keyword">of</span>&nbsp;[&nbsp;<span class="keywordsign">`</span><span class="constructor">Bold</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dashed</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Dotted</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Invis</span>&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Solid</span>&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="keywordsign">`</span><span class="constructor">Weight</span>&nbsp;<span class="keyword">of</span>&nbsp;float&nbsp;]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;subgraph&nbsp;=&nbsp;{<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sg_name&nbsp;:&nbsp;string;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sg_attributes&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">NeatoAttributes</span>.vertex&nbsp;list;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">Neato</span>&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">functor</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<span class="constructor">X</span>&nbsp;:&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">V</span>&nbsp;:&nbsp;<span class="keyword">sig</span>&nbsp;<span class="keyword">type</span>&nbsp;t&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">module</span>&nbsp;<span class="constructor">E</span>&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">type</span>&nbsp;t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;src&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">E</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">V</span>.t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;dst&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">E</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">V</span>.t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;iter_vertex&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">V</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit)&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;iter_edges_e&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">E</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit)&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;graph_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">NeatoAttributes</span>.graph&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;default_vertex_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">NeatoAttributes</span>.vertex&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;vertex_name&nbsp;:&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">V</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;vertex_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">V</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">NeatoAttributes</span>.vertex&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;get_subgraph&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">V</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">NeatoAttributes</span>.subgraph&nbsp;option<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;default_edge_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">NeatoAttributes</span>.edge&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;edge_attributes&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">Neato</span>.<span class="constructor">E</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Graphviz</span>.<span class="constructor">NeatoAttributes</span>.edge&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span>)&nbsp;<span class="keywordsign">-&gt;</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;set_command&nbsp;:&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">exception</span>&nbsp;<span class="constructor">Error</span>&nbsp;<span class="keyword">of</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;handle_error&nbsp;:&nbsp;(<span class="keywordsign">'</span>a&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>b)&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>b<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;fprint_graph&nbsp;:&nbsp;<span class="constructor">Format</span>.formatter&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">X</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;output_graph&nbsp;:&nbsp;<span class="constructor">Pervasives</span>.out_channel&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">X</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">end</span><br>
<span class="keyword">end</span></code></body></html>