| /* | |
| * Process this file with graphviz to produce hierarchy.[png,eps] | |
| * e.g. dot hierarchy.dot -Tpng > hierarchy.png | |
| */ | |
| digraph hierarchy { | |
| graph [rankdir="BT"]; | |
| node [shape="none"]; | |
| F -> D | |
| F -> E | |
| D -> A | |
| E -> A | |
| D -> B | |
| E -> C | |
| A -> "<object>" | |
| B -> "<object>" | |
| C -> "<object>" | |
| "<object>" -> "<top>" | |
| "<pair>" -> "<top>" | |
| "<procedure>" -> "<top>" | |
| "<integer>" -> "<real>" -> "<complex>" -> "<number>" -> "<top>" | |
| } | |