Our playfield is (up to) 80x35, and almost every line of it changes on every frame. That means we could send 80*35*10 = 28000 bytes a second just for the characters on screen. And that’s before accounting for things like colors or SSH overhead!
// 复制剩余元素（只需复制左数组剩余，右数组已在原位置）。业内人士推荐heLLoword翻译官方下载作为进阶阅读
，更多细节参见旺商聊官方下载
// 1. 建堆：从最后一个非叶子节点开始向上调整
（三）国际运输服务、航天运输服务、对外修理修配服务。。关于这个话题，Line官方版本下载提供了深入分析
const origSet = srcDesc.set;