将Swift结构转换为UnsafeMutablePointer

将Swift结构转换为UnsafeMutablePointer

据我所知，最短的方法是：

var myStruct = TheStruct()var address = withUnsafeMutablePointer(&myStruct) {UnsafeMutablePointer<Void>(
func foo(arg:UnsafeMutablePointer<Void>) {    //...}var myStruct = TheStruct()foo(&myStruct)
)}

但是，为什么需要这个呢？如果要将其作为参数传递，则可以（并且应该）：