容器化技术和Kubernetes的普及，使得应用部署和管理变得更加灵活。
priorities would be discoverability, ease of use, avoidance of false
，这一点在爱思助手下载最新版本中也有详细论述
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Reinvents a lot of GHCi commands
__init_subclass__ with an UpdateClass return type, they are