从类定义开始如下: var playbackFile: AudioFileID? = nil var numPacketsToRead: UInt32 = 0 var isDone = false然后定义回调函数:
let AQOutputCallback: AudioQueueOutputCallb
Alamofire/Source/ServerTrustPolicy.swift:125:30: Cannot invoke 'append' with an argument list of type '(UnmanagedAlamofire/Source/ServerTrustPolicy.swift:253:30: Cannot invoke 'append' with an argument list of type '(UnmanagedServer