code: func (state *DockerTaskEngineState) taskToIPUnsafe(arn string) (string, bool) {
  	for ip, taskARN := range state.ipToTask {
  		if arn == taskARN {
  			return ip, true
  		}
  	}
  
  	return "", false
  }
docs: // taskToIPUnsafe gets the ip address for a given task arn