# Arrow labels: `a --> b { label: "…" }` puts text on an arrow, using the same
# `{ … }` body a node uses. The label is drawn at the midpoint of the arrow's
# longest run; in a vertical flow like this each one tucks beside its arrow.
flow {
  browser { label: "Browser" }
  api     { label: "API" }
  db      { label: "Database" }
}

@layout {
  margin: 30
  flow { box: none; direction: vertical }
}

flow.browser --> flow.api { label: "POST /order" }
flow.api     --> flow.db  { label: "INSERT row" }