fabro/test/docs/tutorials/branch-loop/fixed-loop.fabro

digraph FixedLoop {
    graph [goal="Run an improvement loop 5 times"]
    rankdir=LR

    start [shape=Mdiamond, label="Start"]
    exit  [shape=Msquare, label="Exit"]

    improve [label="Improve", prompt="Pick an area and improve it."]
    gate    [shape=diamond, label="5 Done?"]

    start -> improve -> gate
    gate -> exit    [condition="context.internal.node_visit_count >= 5"]
    gate -> improve
}