func IsDualStackIPs()

in net/net.go [45:66]

• 18 lines of code
• 7 McCabe index (conditional complexity)

func IsDualStackIPs(ips []net.IP) (bool, error) {
	v4Found := false
	v6Found := false
	for _, ip := range ips {
		if ip == nil {
			return false, fmt.Errorf("ip %v is invalid", ip)
		}

		if v4Found && v6Found {
			continue
		}

		if IsIPv6(ip) {
			v6Found = true
			continue
		}

		v4Found = true
	}

	return (v4Found && v6Found), nil
}