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[英]Swift enum conformance to identifiable: Type doesn't conform to Identifiable protocol
[英]Swift: can't use a protocol that adopts Identifiable
我正在努力让这段代码正常工作:
protocol FileModelType: Identifiable {
var id: ID { get set }
var content: Data? { get set }
}
class Test: FileModelType {
var id: Int = 0
var content: Data? = nil
}
func test() {
var models: [FileModelType] = [Test]()
}
我面临着著名的错误: Protocol 'FileModelType' can only be used as a generic constraint because it has Self or associated type requirements
我需要定义一个FileModelType
对象数组,但不知道在这种情况下如何做?
我需要定义一个 FileModelType 对象数组,但不知道在这种情况下如何做?
它与上下文无关。 swift 语言不允许这样做。
您可以使用
func test() {
var models = [Test]()
}
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