/// See the documentation for [`Ipv4Addr::is_unspecified()`] and
/// [`Ipv6Addr::is_unspecified()`] for more details.
///
- /// [`true`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
/// See the documentation for [`Ipv4Addr::is_loopback()`] and
/// [`Ipv6Addr::is_loopback()`] for more details.
///
- /// [`true`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
/// See the documentation for [`Ipv4Addr::is_global()`] and
/// [`Ipv6Addr::is_global()`] for more details.
///
- /// [`true`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
/// See the documentation for [`Ipv4Addr::is_multicast()`] and
/// [`Ipv6Addr::is_multicast()`] for more details.
///
- /// [`true`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
/// See the documentation for [`Ipv4Addr::is_documentation()`] and
/// [`Ipv6Addr::is_documentation()`] for more details.
///
- /// [`true`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
/// Returns [`true`] if this address is an [`IPv4` address], and [`false`]
/// otherwise.
///
- /// [`true`]: ../../std/primitive.bool.html
- /// [`false`]: ../../std/primitive.bool.html
/// [`IPv4` address]: IpAddr::V4
///
/// # Examples
/// Returns [`true`] if this address is an [`IPv6` address], and [`false`]
/// otherwise.
///
- /// [`true`]: ../../std/primitive.bool.html
- /// [`false`]: ../../std/primitive.bool.html
/// [`IPv6` address]: IpAddr::V6
///
/// # Examples
/// This property is defined in _UNIX Network Programming, Second Edition_,
/// W. Richard Stevens, p. 891; see also [ip7].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [ip7]: http://man7.org/linux/man-pages/man7/ip.7.html
///
/// # Examples
///
/// This property is defined by [IETF RFC 1122].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 1122]: https://tools.ietf.org/html/rfc1122
///
/// # Examples
/// - 172.16.0.0/12
/// - 192.168.0.0/16
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 1918]: https://tools.ietf.org/html/rfc1918
///
/// # Examples
///
/// This property is defined by [IETF RFC 3927].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 3927]: https://tools.ietf.org/html/rfc3927
///
/// # Examples
/// - addresses reserved for networking devices benchmarking (see
/// [`Ipv4Addr::is_benchmarking()`])
///
- /// [`true`]: ../../std/primitive.bool.html
- /// [`false`]: ../../std/primitive.bool.html
/// [ipv4-sr]: https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
///
/// # Examples
/// Returns [`true`] if this address is part of the Shared Address Space defined in
/// [IETF RFC 6598] (`100.64.0.0/10`).
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 6598]: https://tools.ietf.org/html/rfc6598
///
/// # Examples
/// - `192.0.0.9/32` is the "Port Control Protocol Anycast" (see [IETF RFC 7723])
/// - `192.0.0.10/32` is used for NAT traversal (see [IETF RFC 8155])
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 6890]: https://tools.ietf.org/html/rfc6890
/// [IETF RFC 7600]: https://tools.ietf.org/html/rfc7600
/// [IETF RFC 7723]: https://tools.ietf.org/html/rfc7723
/// network devices benchmarking. This range is defined in [IETF RFC 2544] as `192.18.0.0`
/// through `198.19.255.255` but [errata 423] corrects it to `198.18.0.0/15`.
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 2544]: https://tools.ietf.org/html/rfc2544
/// [errata 423]: https://www.rfc-editor.org/errata/eid423
///
/// broadcast address `255.255.255.255`, but this implementation explicitly excludes it, since
/// it is obviously not reserved for future use.
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 1112]: https://tools.ietf.org/html/rfc1112
///
/// # Warning
/// Multicast addresses have a most significant octet between 224 and 239,
/// and is defined by [IETF RFC 5771].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 5771]: https://tools.ietf.org/html/rfc5771
///
/// # Examples
///
/// A broadcast address has all octets set to 255 as defined in [IETF RFC 919].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 919]: https://tools.ietf.org/html/rfc919
///
/// # Examples
/// - 198.51.100.0/24 (TEST-NET-2)
/// - 203.0.113.0/24 (TEST-NET-3)
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 5737]: https://tools.ietf.org/html/rfc5737
///
/// # Examples
///
/// This property is defined in [IETF RFC 4291].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291
///
/// # Examples
///
/// This property is defined in [IETF RFC 4291].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291
///
/// # Examples
/// - link-local and unique local unicast addresses
/// - interface-, link-, realm-, admin- and site-local multicast addresses
///
- /// [`true`]: ../../std/primitive.bool.html
- /// [`false`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
///
/// [IETF RFC 4193]: https://tools.ietf.org/html/rfc4193
///
- /// [`true`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
/// addresses such as `fe80:0:0:1::` or `fe81::` as unicast link-local addresses for example.
/// If you need a less strict validation use [`Ipv6Addr::is_unicast_link_local()`] instead.
///
- /// [`true`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
/// If you need a strict validation fully compliant with the RFC, use
/// [`Ipv6Addr::is_unicast_link_local_strict()`] instead.
///
- /// [`true`]: ../../std/primitive.bool.html
- ///
/// # Examples
///
/// ```
/// +----------+-------------------------+----------------------------+
/// ```
///
- /// [`true`]: ../../std/primitive.bool.html
/// [RFC 4291 section 2.5.7]: https://tools.ietf.org/html/rfc4291#section-2.5.7
///
/// # Examples
///
/// This property is defined in [IETF RFC 3849].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 3849]: https://tools.ietf.org/html/rfc3849
///
/// # Examples
/// Global Unicast).
/// ```
///
- /// [`true`]: ../../std/primitive.bool.html
/// [RFC 4291 section 2.5.7]: https://tools.ietf.org/html/rfc4291#section-2.5.7
///
/// # Examples
///
/// This property is defined by [IETF RFC 4291].
///
- /// [`true`]: ../../std/primitive.bool.html
/// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291
///
/// # Examples