[#boost-urls-static_url-set_encoded_authority]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/static_url.adoc[static_url]::set_encoded_authority
:relfileprefix: ../../../
:mrdocs:


Set the authority

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/static_url.hpp#L352[boost/url/static_url.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:boost/urls/static_url.adoc[static_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.


=== Example

[,cpp]
----
assert( url().set_encoded_authority( "My%20Computer" ).has_authority() );
----

=== Exception Safety

Strong guarantee.        Calls to allocate may throw.        Exceptions thrown on invalid input.


=== BNF

[,cpp]
----
authority     = [ userinfo "@" ] host [ ":" port ]

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

=== Specification

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



== Exceptions


|===
| Name | Thrown on

| `system_eror`
| 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].






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