vendor/petgraph-0.6.5/graph-example.dot

digraph {
rankdir = "LR";
splines = true;

    0 [label="petgraph"]
    1 [label="fixedbitset"]
    2 [label="quickcheck"]
    3 [label="rand"]
    4 [label="libc"]
    0 -> 1
    0 -> 2
    2 -> 3
    3 -> 4
    2 -> 4
}