:relfileprefix: ../../../
[#boost-urls-url_base-set_user]

= xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/url_base.adoc[pass:[url_base]]::set_user


Set the user


== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/url_base.hpp#L627[boost/url/url_base.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
xref:boost/urls/url_base.adoc[url_base]&
set_user(core::string_view s);
----

== Description


This function sets the user part of the
userinfo to the string.
Any special or reserved characters in the
string are automatically percent-encoded.

=== Example
[,cpp]
----
assert( url().set_user("john doe").encoded_userinfo() == "john%20doe" );
----

=== Postconditions
[,cpp]
----
this->has_authority() == true && this->has_userinfo() == true
----

=== Complexity

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

=== Exception Safety

Strong guarantee.
Calls to allocate may throw.

=== BNF
[,cpp]
----
userinfo      = [ [ user ] [ ':' password ] ]

user          = *( unreserved / pct-encoded / sub-delims )
password      = *( unreserved / pct-encoded / sub-delims / ":" )
----

=== Specification

* link:https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.1[            3.2.1. User Information (rfc3986)]





== Parameters

|===
| Name | Description 

| *s*
| 
The string to set.

|===




== See Also


xref:boost/urls/url_base/remove_password.adoc[remove_password]
,
xref:boost/urls/url_base/set_encoded_password.adoc[set_encoded_password]
,
xref:boost/urls/url_base/set_encoded_user.adoc[set_encoded_user]
,
xref:boost/urls/url_base/set_password.adoc[set_password]
.