using selfhost.vm.scan as MiniVmScan

static box Main {
  main(args) {
    local json = "{\"kind\":\"Program\",\"statements\":[{\"kind\":\"Print\",\"expression\":{\"kind\":\"Literal\",\"value\":{\"type\":\"string\",\"value\":\"A\"}}}]}"
    local p = new MiniVmScan().index_of_from(json, "\"kind\":\"Print\"", 0)
    print(p)
    return 0
  }
}