:relfileprefix: ../../../
[#boost-urls-url-set_encoded_authority]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/url.adoc[pass:[url]]::set_encoded_authority


Set the authority


=== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/url.hpp#L416[boost/url/url.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
xref:boost/urls/url.adoc[url]&
set_encoded_authority(xref:boost/urls/pct_string_view.adoc[pct_string_view] s);
----

=== Description


This function sets the authority
to the specified string.
The string may contain percent-escapes.
[,cpp]
----
assert( url().set_encoded_authority( "My%20Computer" ).has_authority() );
----

=== Strong guarantee.

Calls to allocate may throw.
Exceptions thrown on invalid input.
[,cpp]
----
authority     = [ userinfo "@" ] host [ ":" port ]

userinfo      = *( unreserved / pct-encoded / sub-delims / ":" )
host          = IP-literal / IPv4address / reg-name
port          = *DIGIT
----

* link:https://datatracker.ietf.org/doc/html/rfc3986#section-3.2[            3.2. Authority (rfc3986)]



=== Exceptions

|===
| Name | Thrown on

| `The`
| 
string contains an invalid percent-encoding.

|===



=== Parameters

|===
| Name | Description 

| *s*
| 
The authority string to set.

|===




=== See Also


xref:boost/urls/url_base/remove_authority.adoc[remove_authority]
.