static box Main {
  main(args) {
    local console = new ConsoleBox()
    local arr = new ArrayBox()
    local map = new MapBox()
    local s = "start"
    local i = 0
    local x = 0

    loop(i < 10) {
      i = i + 1

      // even path: push and maybe continue
      if (i % 2 == 0) {
        arr.push(i)
        if (i == 4) { continue }
        x = x + 2
      } else {
        // odd path
        x = x + 1
      }

      // nested break candidate
      if (i == 7) {
        map.set("k", "v")
        if (x > 5) { break }
      }

      // early return check to add more merge points
      if (i == 3) {
        return x
      } else {
        s = s + i
      }
    }

    console.println("x=" + x + ", len=" + arr.len())
    return x
  }
}