stathat.go
func (r *BasicReporter) WaitUntilFinished(timeout time.Duration) bool {
	go r.finish()
	select {
	case <-r.done:
		return true
	case <-time.After(timeout):
		return false
	}
}
func (r *BasicReporter) WaitUntilFinished(timeout time.Duration) bool {
	go r.finish()
	select {
	case <-r.done:
		return true
	case <-time.After(timeout):
		return false
	}
}
// Wait for all stats to be sent, or until timeout. Useful for simple command-
// line apps to defer a call to this in main()