:relfileprefix: ../../../
[#A5707BC78B551EF73059BC5ECC501D6B9B207472]

= Function params_encoded_base::buffer

pass:v,q[Return the query corresponding to these params]


== Synopsis

Declared in header `</boost/url/params_encoded_base.hpp#L176[boost/url/params_encoded_base.hpp,window=blank_]>`

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

== Description

pass:v,q[This function returns the query string] pass:v,q[referenced by the container.]
pass:v,q[The returned string may contain]
pass:v,q[percent escapes.]

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

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

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

=== BNF
[,cpp]
----
query-params    = query-param *( "&" query-param )
query-param     = key [ "=" value ]
key             = *qpchar
value           = *( qpchar / "=" )
----

=== Specification

* link:https://en.wikipedia.org/wiki/Query_string[Query string (Wikipedia)]



== Return Value

* `pct_string_view`