boost::urls::ipv6_address::is_loopback :: Boost Libraries Documentation

# boost::urls::ipv6_address::is_loopback

Return true if the address is a loopback address

## Synopsis

Declared in `<boost/url/ipv6_address.hpp>`

    bool
    is_loopback() const noexcept;

## Description

The unicast address 0:0:0:0:0:0:0:1 is called the loopback address. It may be used by a node to send an IPv6 packet to itself.

## Specification

- 2.5.3. The Loopback Address (rfc4291)

## Return Value

`true` if the address is a loopback address

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