// not been registered.
func Get(name string) Var {
	return vars.Get(name)
}

// Convenience functions for creating new exported variables.

func NewInt(name string) *Int {
	v := new(Int)
	Publish(name, v)
	return v
}

func NewFloat(name string) *Float {
	v := new(Float)
	Publish(name, v)
	return v
}

func NewMap(name string) *Map {

	serial, err := cryptorand.Int(cryptorand.Reader, new(big.Int).SetInt64(math.MaxInt64-1))
	if err != nil {
		return nil, err
	}
	serial = new(big.Int).Add(serial, big.NewInt(1))
	if len(cfg.CommonName) == 0 {
		return nil, errors.New("must specify a CommonName")
	}

	keyUsage := x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature
	if isCA {

	priv, err := rsa.GenerateKey(cryptorand.Reader, 2048)
	if err != nil {
		return nil, nil, err
	}

	template := x509.Certificate{
		SerialNumber: big.NewInt(1),
		Subject: pkix.Name{
			CommonName: fmt.Sprintf("%s@%d", host, time.Now().Unix()),
		},
		NotBefore: time.Unix(0, 0),
		NotAfter:  time.Now().Add(time.Hour * 24 * 365 * 100),

	priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
	if err != nil {
		return nil, nil, err
	}

	serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
	serialNumber, _ := rand.Int(rand.Reader, serialNumberLimit)

	template := &Certificate{
		SerialNumber: serialNumber,
		Subject:      pkix.Name{CommonName: cn},

		return true
	}
	return false
}

func sameNodePorts(oldSvc, newSvc *api.Service) bool {
	// Helper to make a set of NodePort values.
	allNodePorts := func(svc *api.Service) sets.Int {
		out := sets.NewInt()
		for i := range svc.Spec.Ports {
			if svc.Spec.Ports[i].NodePort != 0 {
				out.Insert(int(svc.Spec.Ports[i].NodePort))
			}
		}
		return out
	}

	oldPorts := allNodePorts(oldSvc)

		serial, err := rand.Int(rand.Reader, new(big.Int).SetInt64(math.MaxInt64-1))
		if err != nil {
			return result, err
		}
		serial = new(big.Int).Add(serial, big.NewInt(1))
		tenThousandHoursLater := time.Now().Add(10_000 * time.Hour)
		certTmpl := x509.Certificate{
			Subject: pkix.Name{
				CommonName: "misty",
			},
			SerialNumber: serial,

	}

	// SEC 1, Version 2.0, Section 4.1.4

	r, err := bigmod.NewNat().SetBytes(rBytes, c.N)
	if err != nil || r.IsZero() == 1 {
		return false
	}
	s, err := bigmod.NewNat().SetBytes(sBytes, c.N)
	if err != nil || s.IsZero() == 1 {
		return false
	}

	e := bigmod.NewNat()
	hashToNat(c, e, hash)

	// w = s⁻¹
	w := bigmod.NewNat()
	inverse(c, w, s)

	// p₁ = [e * s⁻¹]G

	org := name
	parentOrg := ""
	if i := strings.Index(org, "_"); i >= 0 {
		org = org[:i]
		parentOrg = name[i+1:]
	}
	tmpl := &x509.Certificate{
		SerialNumber: big.NewInt(1),
		Subject: pkix.Name{
			Organization: []string{org},
		},
		NotBefore: time.Unix(0, 0),
		NotAfter:  time.Unix(0, 0),

		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,

	// of experiments showed that that decreases overall performance.
	o.append(ir.NewIfStmt(base.Pos,
		ir.NewBinaryExpr(base.Pos, ir.OEQ, counter, ir.NewInt(base.Pos, 0xff)),
		[]ir.Node{ir.NewAssignStmt(base.Pos, counter, ir.NewInt(base.Pos, 1))},
		[]ir.Node{ir.NewAssignOpStmt(base.Pos, ir.OADD, counter, ir.NewInt(base.Pos, 1))}))
}

// orderBlock orders the block of statements in n into a new slice,

	vars.keys = nil
}

func TestNil(t *testing.T) {
	RemoveAll()
	val := Get("missing")
	if val != nil {
		t.Errorf("got %v, want nil", val)
	}
}

func TestInt(t *testing.T) {
	RemoveAll()
	reqs := NewInt("requests")
	if i := reqs.Value(); i != 0 {
		t.Errorf("reqs.Value() = %v, want 0", i)
	}
	if reqs != Get("requests").(*Int) {
		t.Errorf("Get() failed.")
	}

	reqs.Add(1)
	reqs.Add(3)