Function fallbackFilenameIfInvalid

res.go:198–204

(filename string)

}

func fallbackFilenameIfInvalid(filename string) string {
	if filename == "" || filename == "." {
		return "download"
	}

	return filename
}

// Attachment sets the HTTP response Content-Disposition header field to attachment.
func (r *DefaultRes) Attachment(filename ...string) {