[英]Swift 2.2 Array conforms to protocol
我收到類型為[String:Any]的Dictionary,我想檢查字典中的值是否為符合特定協議的Array:
protocol ToDictionary {
var badjoras: Bool { get set }
}
struct Badjoras: ToDictionary {
var badjoras: Bool
}
let newArray: [String: Any] = ["First": [Badjoras(badjoras: true)]]
for (key, value) in newArray {
if let newValue = value as? [ToDictionary] {
print(true)
}
}
這在Swift 3.0中完美地工作,但是在Swift 2.2中則不能。 關於如何實現這一目標的任何想法?
謝謝
嘗試以下:
protocol ToDictionary {
var badjoras: Bool { get set }
}
struct Badjoras: ToDictionary {
var badjoras: Bool
}
let newArray: [String: Any] = ["First": [Badjoras(badjoras: true)]]
for (key, value) in newArray {
if value is [ToDictionary] {
print(true)
}
}
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