迭代字典时如何避免swift中的重复键错误

发布时间：2020-12-14 04:50:20 所属栏目：百科来源：网络整理

导读：我正在练习 swift,我正在尝试迭代一个字典来打印密钥,但它给了我一个 fatal error: Dictionary literal contains duplicate keys 如何删除错误？ let people = ["age":14,"age":15,"age":75,"age":43,"age":103,"age":87,"age":12]for (key,value) in people

我正在练习 swift,我正在尝试迭代一个字典来打印密钥,但它给了我一个

fatal error: Dictionary literal contains duplicate keys

如何删除错误？

let people = ["age":14,"age":15,"age":75,"age":43,"age":103,"age":87,"age":12]
for (key,value) in people {
    print(value)
}

解决方法

每个字典键必须是唯一的

let people = ["age1":14,"age2":15,"age3":75,"age4":43,"age5":103,"age6":87,"age7":12]
for (key,value) in people {
    print(value)
}

（编辑：李大同）

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