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                # 基本語法 * * * * * --: 作者:Fuzz 時間:2018年8月30日 * * * * * ### map創建 map1 = make(map[string]int) map1 == map[] var map2 map[string]int //map2 == nil fmt.Println(map1,map2) ### map遍歷 //map遍歷順序無序 for k,v := range map2{ fmt.Println(k,v) } ### map取值 fmt.Println(map["a"]) //區出不存在值會怎么樣 ### map判斷值是否存在 if _,err := map2["a"];err{ fmt.Println("存在") } else{ fmt.Println("不存在") } ### 刪除元素 delete(map2, "a")
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