[#boost-urls-authority_view-empty]
= xref:boost.adoc[boost]::xref:boost/urls.adoc[urls]::xref:boost/urls/authority_view.adoc[authority_view]::empty
:relfileprefix: ../../../
:mrdocs:


Return true if the authority is empty

== Synopsis


Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/authority_view.hpp#L210[boost/url/authority_view.hpp]>`

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

== Description


An empty authority has an empty host,        no userinfo, and no port.


=== Example

[,cpp]
----
assert( authority_view( "" ).empty() );
----

=== Exception Safety

Throws nothing.





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