目录1.思路2.实现2.1使用NuGet包2.2搜索附件蓝牙设备3.功能实现4.总结看过各种博主的文章，发现基本上都是属于误人子弟的文章，踩过各种坑最终实现了此功能。
Say, I have a std::vector<SomeClass *> v; in my code and I need to access its elements very often in the program, looping them forward and backward .
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