:relfileprefix: ../../../
[#9B7D6A78083E6BEECF3F13039B041B208FB920A9]

= Function param::param

pass:v,q[Constructor]


== Synopsis

Declared in header `</boost/url/param.hpp#L124[boost/url/param.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
param() = default;
----

== Description

pass:v,q[Default constructed query parameters] pass:v,q[have an empty key and no value.]

=== Example
[,cpp]
----
param qp;
----

=== Postconditions
[,cpp]
----
this->key == "" && this->value == "" && this->has_value == false
----

=== Complexity
pass:v,q[Constant.]

=== Exception Safety
pass:v,q[Throws nothing.]



== Return Value

* `void`