做不做「正确的事」是一种选择，是否选择颠覆也是一种选择。
class CsvStorage(Storage):
。关于这个话题，safew官方下载提供了深入分析
* @param arr 待排序数组，更多细节参见Line官方版本下载
Instead of filtering syscalls to the host kernel, gVisor interposes a completely separate kernel implementation called the Sentry between the untrusted code and the host. The Sentry does not access the host filesystem directly; instead, a separate process called the Gofer handles file operations on the Sentry’s behalf, communicating over a restricted protocol. This means even the Sentry’s own file access is mediated.