[#boost-urls-ipv4_address-2constructor]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/ipv4_address.adoc[ipv4_address]::ipv4_address
:relfileprefix: ../../../
:mrdocs:


Constructor.

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/ipv4_address.hpp#L76[boost/url/ipv4_address.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:boost/urls/ipv4_address/2constructor-0c.adoc[ipv4_address]() = default;
----

[.small]#xref:boost/urls/ipv4_address/2constructor-0c.adoc[_» more..._]#

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:boost/urls/ipv4_address/2constructor-0d.adoc[ipv4_address](xref:boost/urls/ipv4_address.adoc[ipv4_address] const&) = default;
----

[.small]#xref:boost/urls/ipv4_address/2constructor-0d.adoc[_» more..._]#

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
xref:boost/urls/ipv4_address/2constructor-06.adoc[ipv4_address](xref:boost/urls/ipv4_address/uint_type.adoc[uint_type] u) noexcept;
----

[.small]#xref:boost/urls/ipv4_address/2constructor-06.adoc[_» more..._]#

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
xref:boost/urls/ipv4_address/2constructor-0b.adoc[ipv4_address](xref:boost/urls/ipv4_address/bytes_type.adoc[bytes_type] const& bytes) noexcept;
----

[.small]#xref:boost/urls/ipv4_address/2constructor-0b.adoc[_» more..._]#

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
xref:boost/urls/ipv4_address/2constructor-08.adoc[ipv4_address](core::string_view s);
----

[.small]#xref:boost/urls/ipv4_address/2constructor-08.adoc[_» more..._]#

== Exceptions


|===
| Name | Thrown on

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


|===

== Parameters


|===
| Name | Description

| *u*
| The integer to construct from.


| *bytes*
| The value to construct from.


| *s*
| The string to parse.


|===



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