[#boost-urls-ipv6_address-2constructor]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/ipv6_address.adoc[ipv6_address]::ipv6_address
:relfileprefix: ../../../
:mrdocs:


Constructor.

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/ipv6_address.hpp#L103[boost/url/ipv6_address.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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constexpr
xref:boost/urls/ipv6_address/2constructor-04.adoc[ipv6_address]() = default;
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[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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constexpr
xref:boost/urls/ipv6_address/2constructor-06.adoc[ipv6_address](xref:boost/urls/ipv6_address.adoc[ipv6_address] const&) = default;
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[.small]#xref:boost/urls/ipv6_address/2constructor-06.adoc[_» more..._]#

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:boost/urls/ipv6_address/2constructor-0f.adoc[ipv6_address](xref:boost/urls/ipv6_address/bytes_type.adoc[bytes_type] const& bytes) noexcept;
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[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:boost/urls/ipv6_address/2constructor-08.adoc[ipv6_address](xref:boost/urls/ipv4_address.adoc[ipv4_address] const& addr) noexcept;
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[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:boost/urls/ipv6_address/2constructor-00.adoc[ipv6_address](core::string_view s);
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== Description


Default constructed objects represent        the unspecified address.

* link:https://datatracker.ietf.org/doc/html/rfc4291#section-2.5.2[2.5.2. The Unspecified Address]



== Exceptions


|===
| Name | Thrown on

| `system_error`
| The input failed to parse correctly.


|===

== Parameters


|===
| Name | Description

| *bytes*
| The value to construct from.


| *addr*
| The address to construct from.


| *s*
| The string to parse.


|===

== See Also


xref:boost/urls/ipv6_address/is_unspecified.adoc[is_unspecified] 






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