return ip4[0] == 127
	}
	return ip.Equal(IPv6loopback)
}

// IsPrivate reports whether ip is a private address, according to
// RFC 1918 (IPv4 addresses) and RFC 4193 (IPv6 addresses).
func (ip IP) IsPrivate() bool {
	if ip4 := ip.To4(); ip4 != nil {
		// Following RFC 1918, Section 3. Private Address Space which says:
		//   The Internet Assigned Numbers Authority (IANA) has reserved the

// (IPv4 addresses) and RFC 4193 (IPv6 addresses). That is, it reports whether
// ip is in 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16, or fc00::/7. This is the
// same as [net.IP.IsPrivate].
func (ip Addr) IsPrivate() bool {
	if ip.Is4In6() {
		ip = ip.Unmap()
	}

	// Match the stdlib's IsPrivate logic.
	if ip.Is4() {

    iptables -w -t nat -A IP-MASQ -d 10.0.0.0/8 -m comment --comment "ip-masq: RFC 1918 reserved range is not subject to MASQUERADE" -j RETURN
    iptables -w -t nat -A IP-MASQ -d 172.16.0.0/12 -m comment --comment "ip-masq: RFC 1918 reserved range is not subject to MASQUERADE" -j RETURN
    iptables -w -t nat -A IP-MASQ -d 192.168.0.0/16 -m comment --comment "ip-masq: RFC 1918 reserved range is not subject to MASQUERADE" -j RETURN

                    name = f
                    args = [
                        FunctionArgument.Named [indexes: 2..7, line/column: 1/3..1/8, file: test] (
                            name = x,
                            expr = PropertyAccess [indexes: 6..7, line/column: 1/7..1/8, file: test] (
                                name = y
                            )
                        )
                    ]

    {!> ../../../docs_src/extra_data_types/tutorial001_an.py!}
    ```

=== "Python 3.10+ non-Annotated"

    !!! tip
        Prefer to use the `Annotated` version if possible.

    ```Python hl_lines="17-18"
    {!> ../../../docs_src/extra_data_types/tutorial001_py310.py!}
    ```

=== "Python 3.8+ non-Annotated"

    !!! tip
        Prefer to use the `Annotated` version if possible.

[`jstmpllitinterp` setting](/pkg/html/template#hdr-Security_Model).
This behavior was backported to Go 1.19.8+ and Go 1.20.3+.

Go 1.21 introduced a limit on the maximum number of MIME headers and multipart
forms, controlled by the
[`multipartmaxheaders` and `multipartmaxparts` settings](/pkg/mime/multipart#hdr-Limits)
respectively.
This behavior was backported to Go 1.19.8+ and Go 1.20.3+.

000000c0  5d 7b 17 03 03 02 6d 18  d3 53 cc 09 6a 23 fc c5  |]{....m..S..j#..|
000000d0  a9 2e 73 b4 3d ea 54 56  42 f5 1f 71 3e 8f 8e 7b  |..s.=.TVB..q>..{|
000000e0  12 18 d7 d6 ab ed 24 5f  16 c8 18 5e e0 28 84 40  |......$_...^.(.@|
000000f0  89 49 a7 91 57 d6 2b a0  9c ab 5d 85 ac 4f 6b 70  |.I..W.+...]..Okp|
00000100  c3 31 e0 57 87 d7 7c 45  27 34 54 eb 85 02 14 2c  |.1.W..|E'4T....,|

      %16:40 = "tf_device.parallel_execute"() ({
        %19:10 = "tf_device.launch"() <{device = "TPU_REPLICATED_CORE_0"}> ({

		{"1E", decQuantity(1, 18, DecimalSI)},

		// Decimal exponents
		{"1E-3", decQuantity(1, -3, DecimalExponent)},
		{"1e3", decQuantity(1, 3, DecimalExponent)},
		{"1E6", decQuantity(1, 6, DecimalExponent)},
		{"1e9", decQuantity(1, 9, DecimalExponent)},
		{"1E12", decQuantity(1, 12, DecimalExponent)},
		{"1e15", decQuantity(1, 15, DecimalExponent)},
		{"1E18", decQuantity(1, 18, DecimalExponent)},

		{rawStdEncoding, 2, 4},
		{rawStdEncoding, 3, 5},
		{rawStdEncoding, 4, 7},
		{rawStdEncoding, 5, 8},
		{rawStdEncoding, 6, 10},
		{rawStdEncoding, 7, 12},
		{rawStdEncoding, 10, 16},
		{rawStdEncoding, 11, 18},
	}
	// check overflow
	switch strconv.IntSize {
	case 32:
		tests = append(tests, test{rawStdEncoding, (math.MaxInt-4)/8 + 1, 429496730})