[#boost-urls-params_encoded_base-buffer]
= xref:boost/urls/params_encoded_base/buffer.adoc[boost::urls::params_encoded_base::buffer]
:relfileprefix: ../../../
:mrdocs:

Return the query corresponding to these params

== Synopsis

Declared in `<https://www.github.com/boostorg/url/blob/develop/include/boost/url/params_encoded_base.hpp#L177[boost/url/params_encoded_base.hpp]>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:boost/urls/pct_string_view.adoc[pct_string_view]
buffer() const noexcept;
----

== Description

This function returns the query string referenced by the container. The returned string may contain percent escapes.

== Example
[,cpp]
----
assert( url_view( "?first=John&last=Doe" ).encoded_params().buffer() == "first=John&last=Doe" );
----
== Complexity
Constant.

== Exception Safety
Throws nothing.

== BNF
[,cpp]
----
query-params    = query-param *( "&" query-param )
query-param     = key [ "=" value ]
key             = *qpchar
value           = *( qpchar / "=" )
----
== Specification
* https://en.wikipedia.org/wiki/Query_string[]

== Return Value

The query string.


[.small]#Created with https://www.mrdocs.com[MrDocs]#