[#boost-urls-url_view_base-has_userinfo]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/url_view_base.adoc[url_view_base]::has_userinfo
:relfileprefix: ../../../
:mrdocs:

Return true if a userinfo is present

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/url_view_base.hpp#L630[boost/url/url_view_base.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
has_userinfo() const noexcept;
----

== Description

This function returns true if this contains a userinfo.

== Example
[,cpp]
----
assert( url_view( "http://jane%2Ddoe:pass@example.com" ).has_userinfo() );
----
== Complexity
Constant.

== Exception Safety
Throws nothing.

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

authority   = [ userinfo "@" ] host [ ":" port ]
----
== Specification
* https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.1[]

== Return Value

`true` if the userinfo is present.

== See Also

xref:boost/urls/url_view_base/has_password.adoc[`has_password`], xref:boost/urls/url_view_base/encoded_password.adoc[`encoded_password`], xref:boost/urls/url_view_base/encoded_user.adoc[`encoded_user`], xref:boost/urls/url_view_base/encoded_userinfo.adoc[`encoded_userinfo`], xref:boost/urls/url_view_base/password.adoc[`password`], xref:boost/urls/url_view_base/user.adoc[`user`], xref:boost/urls/url_view_base/userinfo.adoc[`userinfo`].


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