方向遍历顺序说明下一个倒序（从右往左）先处理右侧，栈里存「右侧候选」上一个正序（从左往右）先处理左侧，栈里存「左侧候选」
MIT — Rikkert ten Klooster
，详情可参考safew官方版本下载
instead of the heap. Stack allocations are considerably cheaper to，推荐阅读夫子获取更多信息
In addition to seeing the differences between versions (36 upgraded packages, 3 new ones), we can also see the additional packages I’ve installed on top of the base image (LayeredPackages). I can also ask ostree to display the commit content, just like I would with git show.