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

	SYS___PTHREAD_SECURITY_NP_A         = 0x774 // 1908
	SYS___QUERYMETRICS_A                = 0x775 // 1909
	SYS___QUERYSCHENV                   = 0x776 // 1910
	SYS___READV_A                       = 0x777 // 1911
	SYS_____SERVER_CLASSIFY_A           = 0x778 // 1912
	SYS_____SERVER_INIT_A               = 0x779 // 1913
	SYS_____SERVER_PWU_A                = 0x77A // 1914
	SYS___STRCASECMP_A                  = 0x77B // 1915

    ```

=== "Python 3.9+"

    ```Python hl_lines="9  17"
    {!> ../../../docs_src/request_files/tutorial001_02_an_py39.py!}
    ```

=== "Python 3.6+"

    ```Python hl_lines="10  18"
    {!> ../../../docs_src/request_files/tutorial001_02_an.py!}
    ```

=== "Python 3.10+ без Annotated"

    !!! tip "Подсказка"
        Предпочтительнее использовать версию с аннотацией, если это возможно.

    ```

=== "Python 3.9+"

    ```Python hl_lines="9  17"
    {!> ../../../docs_src/request_files/tutorial001_02_an_py39.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="10  18"
    {!> ../../../docs_src/request_files/tutorial001_02_an.py!}
    ```

=== "Python 3.10+ nicht annotiert"

    !!! tip "Tipp"
        Bevorzugen Sie die `Annotated`-Version, falls möglich.

    ```

=== "Python 3.9+"

    ```Python hl_lines="9  17"
    {!> ../../../docs_src/request_files/tutorial001_02_an_py39.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="10  18"
    {!> ../../../docs_src/request_files/tutorial001_02_an.py!}
    ```

=== "Python 3.10+ non-Annotated"

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

=== "🐍 3️⃣.6️⃣ & 🔛"

    ```Python hl_lines="18-19"
    {!> ../../../docs_src/extra_data_types/tutorial001.py!}
    ```

=== "🐍 3️⃣.1️⃣0️⃣ & 🔛"

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

🌐 👥 💪 🍵 📨 🔘 `try`/`except` 🍫:

```Python hl_lines="13  15"
{!../../../docs_src/custom_request_and_route/tutorial002.py!}
```

🚥 ⚠ 📉, `Request` 👐 🔜 ↔, 👥 💪 ✍ & ⚒ ⚙️ 📨 💪 🕐❔ 🚚 ❌:

```Python hl_lines="16-18"
{!../../../docs_src/custom_request_and_route/tutorial002.py!}
```

## 🛃 `APIRoute` 🎓 📻

👆 💪 ⚒ `route_class` 🔢 `APIRouter`:

```Python hl_lines="26"

                    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
                            )
                        )
                    ]