Swift 如何将数据追加并保存到字典数组[String:[String]]

我已使用符合以下格式的结构的元素填充数组：

Struct Domain {
    var name: String
    var areas: [String]
}

let myArray = [
    Domain(name: "name1", areas: ["area1A", "area1B"]),
    Domain(name: "name2", areas: ["area2A", "area2B", "area2C"]),
    Domain(name: "name3", areas: ["area3A"])
]

---

我知道如何将新的域对象附加到myArray中，但如何为myArray中的现有域对象附加新的区域项？

将数组let更改为var

var myArray = [
        Domain(name: "name1", areas: ["area1A", "area1B"]),
        Domain(name: "name2", areas: ["area2A", "area2B", "area2C"]),
        Domain(name: "name3", areas: ["area3A"])
    ]

查找要更改的域的索引

if let indexOfdomain = myArray.firstIndex(where: {$0.name == "name2"}) {
            myArray[indexOfdomain] = Domain(name: "name2", areas: ["area3A"])
        }

        print(myArray)