:relfileprefix: ../../../
[#boost-urls-params_encoded_base-empty]

== xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/params_encoded_base.adoc[pass:[params_encoded_base]]::empty


Return true if there are no params


=== Synopsis

Declared in header `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/params_encoded_base.hpp#L215[boost/url/params_encoded_base.hpp,window=blank_]>`

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

=== Description

[,cpp]
----
assert( ! url_view( "?key=value" ).encoded_params().empty() );
----

=== Constant.

=== Throws nothing.