Go查看變量類型, Go return map

func requestApi(n int) (map[string]string) {
	apiData := make(map[string]string)
	url := "https://suggest.taobao.com/sug?q=VR&code=utf-8"
	var wg sync.WaitGroup
	wg.Add(n)
	for i := 0; i < n; i++ {
		go func() {
			res := httpGet(url)
			apiData[string(i)] = string(res)
			wg.Done()
		}()
	}
	wg.Wait()
	fmt.Println(reflect.TypeOf(apiData)) // 打印類型 map[string]string
	return apiData
}