/// Extracts the server time from the API call response./// - parameter response: The httpURLResponse from which to extract the date./// - returns: The 'Date' header from the response,as a `Date` object./// - throws: If the 'Date' header is not found,or cannot be parsed to a `Date` object.static func extractServerTimeFromresponse(_ response: httpURLResponse) throws -> Date { guard let serverTimeString = response.allheaderFIElds["Date"] as? String else { throw RGOTimeSyncHelperError.invalIDServerResponse } let formatter = DateFormatter() formatter.dateFormat = "EEE,dd MMM yyyy HH:mm:ss zzz" guard let serverTime = formatter.date(from: serverTimeString) else { throw RGOTimeSyncHelperError.dateParsingError } return serverTime}/// Calculates the offset of the local time compared to the server time./// - parameter serverTime: The time from the server./// - returns: The amount of seconds that need to be added to the clIEnt time,to match the server time.static func calculateOffset(serverTime: Date) -> Int { let localTime = Date() let offset = Calendar.current.dateComponents([.second],from: localTime,to: serverTime).second! return offset}/// Add an offset in seconds to a given date./// - parameter date: The date to which to offset should be applIEd./// - parameter bySeconds: The offset,in seconds,that will be applIEd to the given date./// - returns: A new `Date` object,comprised of the given date,with the given offset applIEd.static func offset(date: Date,bySeconds offset: Int) -> Date { let offsetDate = Calendar.current.date(byAdding: .second,value: offset,to: date)! return offsetDate}
当我在任何地方双击方法签名时,Xcode会显示quickhelp面板,其中包含我输入的信息.
但是,当我开始键入方法签名并d出自动完成时,它不会像在Apple的API中那样在自动完成框的底部显示此信息.
我的评论语法在哪里,我错了?
解决方法 原因是Xcode从单独的doc-set解析popover中显示的文档,而不是从类文件本身解析.看看这里:https://stackoverflow.com/a/43982094/1415898获得更完整的答案.
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