fn calc_operation(var_1: Type1, var_2: Type2) - Result {
Stage Tour is playable solo or with other players in a band, according to RedOctane, and supports inputs from a keyboard and mouse on top of the expected guitar, drums and microphone accessories. The studio plans to primarily offer the game digitally, but hopes to also sell a bundle with a guitar controller and a download code because "that just feels right." As far as ongoing support goes, whereas games like Guitar Hero or Rock Band included a set tracklist and support for song DLC, it sounds like RedOctane could be taking an approach more inspired by Epic's regular updates to Fortnite. "The plan is regular special events that are more than just music drops," RedOctane writes. "Real moments. Real themes. Real updates. We want to evolve the game alongside the fans who support it. Improve it. Expand it. Keep it alive."，更多细节参见新收录的资料
这种软硬件结合的思路，与华为纯靠软件识别并停止通知的方案有着本质区别。三星的方案适用场景更广，也更加优雅。这项技术一旦落地落地普及，那些严重影响观感的防窥膜几乎可以被彻底淘汰了。。新收录的资料对此有专业解读
Re-organized and extended documentation
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