MOYA和p2 / oauth2快速币库集成

Question

我的poauth2正在与服务器连接。现在，我需要发出API请求，并尝试关注Moya文档等。这是到目前为止的内容：

        let requestClosure = { (endpoint: Endpoint, done:@escaping (Result<URLRequest,MoyaError>) -> ()) in
        let request = try! self.appDelegate.oauth2.request(forURL: endpoint.urlRequest().url!)

        // set up your request, e.g. `req.HTTPMethod = "POST"`
        let task = self.appDelegate.oauth2.session.dataTask(with: request) { (data, response, error) -> Void in
            DispatchQueue.main.async(execute: { () -> Void in
                if error == nil {
                    result(data as NSData?, nil)
                    done(result)
                } else {
                    result(nil, error as NSError?)
                }
            })
        }.resume()
    }


    let cbProvider = MoyaProvider<CoinbaseService>(requestClosure: requestClosure)

此行给出了编译错误：

       let requestClosure = { (endpoint: Endpoint, done:@escaping (Result<URLRequest,MoyaError>) -> ()) in

Generic type 'Result' specialized with too many type parameters (got 2, but expected 1)

但是，如果我删除第二个参数，则此行将无法编译：

MoyaProvider<CoinbaseService>(requestClosure: requestClosure)

这里的任何帮助都会很棒。