package fs import ( "io" "os" ) // FS bundles all methods needed for a file system. type FS interface { OpenFile(name string, flag int, perm os.FileMode) (File, error) Stat(name string) (os.FileInfo, error) Lstat(name string) (os.FileInfo, error) DeviceID(fi os.FileInfo) (deviceID uint64, err error) Join(elem ...string) string Separator() string Abs(path string) (string, error) Clean(path string) string VolumeName(path string) string IsAbs(path string) bool Dir(path string) string Base(path string) string } // File is an open file on a file system. type File interface { io.Reader io.Closer Fd() uintptr Readdirnames(n int) ([]string, error) Readdir(int) ([]os.FileInfo, error) Seek(int64, int) (int64, error) Stat() (os.FileInfo, error) Name() string }