Struct osFS

config.go:330–330

https://github.com/golang/go/issues/47803

// https://github.com/golang/go/issues/47803
type osFS struct{}

func (osFS) Open(name string) (fs.File, error)          { return os.Open(name) }
func (osFS) ReadDir(name string) ([]fs.DirEntry, error) { return os.ReadDir(name) }