【发布时间】:2016-10-03 11:37:00
【问题描述】:
我在一个名为 APIManager 的类上有一个扩展:
import Alamofire
import Foundation
// MARK: - Logout
extension APIManager {
public func performLogout() {
let request = defaultManager.request(APIManager.Router.Logout.URLRequest)
request.response( // ERROR ON THIS LINE AS NOTED BELOW
queue: APIManager.responseQueue,
responseSerializer: Request.stringResponseSerializer(),
completionHandler: { [weak self] (response) in
guard let strongSelf = self else { return }
}
)
}
}
当扩展包含在 SAME FILE 中的 APIManager 类下时,没有任何问题。
但是,当我将扩展名移到新文件中时,我收到以下错误:
不能调用非函数类型'NSHTTPURLResponse?'的值
很明显,当扩展名放在另一个文件中时,编译器会将上面定义的 Alamofire/ResponseSerialization.swift 方法与 Alamofire Request 类的 Alamofire/Request.swift 中的 'response' 属性混淆
APIManager 类如下:
public final class APIManager {
// MARK: - Singleton shared instance
static let sharedInstance = APIManager()
let defaultManager: Alamofire.Manager = {
let serverTrustPolicies: [String: ServerTrustPolicy] = [
"TBD1": .PinCertificates(
certificates: ServerTrustPolicy.certificatesInBundle(),
validateCertificateChain: true,
validateHost: true
),
"TBD2": .DisableEvaluation
]
let configuration = NSURLSessionConfiguration.defaultSessionConfiguration()
configuration.HTTPAdditionalHeaders = Alamofire.Manager.defaultHTTPHeaders
return Alamofire.Manager(
configuration: configuration,
serverTrustPolicyManager: ServerTrustPolicyManager(policies: serverTrustPolicies)
)
}()
}
这里有一个类似的问题,但不太一样:
Cannot call value of non-function type 'NSHTTPURLResponse?' Alamofire ObjectMapper
【问题讨论】: