C/C++ 中的预处理器指令有哪些？宏定义和函数调用的区别？

问题描述

HybridCLR自带的GenerateLinkXml，丢失部分原方法

MissingMethodException: Default constructor not found for type YooAsset.FileGeneralRequest
  at System.RuntimeType.CreateInstanceMono (System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00000] in <00000000000000000000000000000000>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00000] in <00000000000000000000000000000000>:0 
  at YooAsset.FileDownloader.Update () [0x00000] in <00000000000000000000000000000000>:0 
  at YooAsset.DownloadManager.Update () [0x00000] in <00000000000000000000000000000000>:0 
  at YooAsset.YooAssets.Update () [0x00000] in <00000000000000000000000000000000>:0</