:relfileprefix: ../../../
[#boost-urls-static_url-set_port_number]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/static_url.adoc[pass:[static_url]]::set_port_number


Set the port


=== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/static_url.hpp#L392[boost/url/static_url.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
xref:boost/urls/static_url.adoc[static_url]&
set_port_number(std::uint16_t n);
----

=== Description


The port is set to the specified integer.
[,cpp]
----
assert( url( "http://www.example.com" ).set_port_number( 8080 ).authority().buffer() == "www.example.com:8080" );
----
[,cpp]
----
this->has_authority() == true && this->has_port() == true && this->port_number() == n
----

=== Linear in `this-&gt;size()`.

=== Strong guarantee.

Calls to allocate may throw.
[,cpp]
----
authority     = [ userinfo "@" ] host [ ":" port ]

port          = *DIGIT
----

* link:https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.3[            3.2.3. Port (rfc3986)]





=== Parameters

|===
| Name | Description 

| *n*
| 
The port number to set.

|===




=== See Also


xref:boost/urls/url_base/remove_port.adoc[remove_port]
,
xref:boost/urls/url_base/set_port.adoc[set_port]
.