filesystem

type FS interface {
	Open(name string) (File, error)
	RemoveDir(name string) error
	RemoveFile(name string) error
	ReadFile(name string) ([]byte, error)
	ReadDir(dirname string) ([]os.FileInfo, error)
	MakeDirs(name string)
	ListDirs(string) ([]string, error)
	Exists(name string) (bool, error)
}

type File interface {
	Stat() (os.FileInfo, error)
	Read([]byte) (int, error)
	Close() error
}

type TempFile struct {
	Name string
}