:relfileprefix: ../../
[#20D436A2EB959516372EC02C6FC1788D893BC010]

= no_value

pass:v,q[Constant indicating no value in a param]


== Synopsis

Declared in header `</boost/url/param.hpp#L36[boost/url/param.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
constexpr
const xref:boost/urls/no_value_t.adoc[no_value_t] no_value;
----