root/library/doc/dot/rv.dot

digraph datalink {
        rankdir=LR;
        subgraph cluster0 {
                node [shape=record];
                label = "RV_MAP \n std::map<string,int>";
        map [label="{{\"a\"| \"b\" | \"c\"} | {<3> 3 |<1> 1|<2> 2}}"];
                color = "white"
        }
        subgraph cluster1{
                node [shape=record];
                label = "RV_NAMES";
        names [label="{<1> \"b\" | <2> \"c\" | <3>\"a\" }"];
                color = "white"
}
        subgraph cluster2{
                node [shape=record];
                label = "RV_SIZES";
                labelloc = b;
        sizes [label="{<1>1 |<2> 4 |<3> 1}"];
                color = "white"
}
    map:1 -> names:1;
    map:1 -> sizes:1;
    map:3 -> names:3;
    map:3 -> sizes:3;
}