func hasSecHeader(r *http.Request) bool {
	for header := range r.Header {
		if strings.HasPrefix(header, "Sec-") {
			return true
		}
	}
	return false
}
// hasSecHeader returns true if the request has any header starting with "Sec-".
hasSecHeader returns true if the request has any header starting with "Sec-".
// hasSecHeader returns true if the request has any header starting with " Sec - " .
func hasSecHeader(r *http.Request) bool {
	for header := range r.Header {
		if strings.HasPrefix(header, "Sec-") {
			return true
		}
	}
	return false
}
func hasSecHeader ( r * http . Request ) bool { for header := range r . Header { if strings . HasPrefix ( header , " " ) { return true } } return false }
hasSecHeader returns true if the request has any header starting with "Sec-".
hasSecHeader returns true if the request has any header starting with " Sec - " .