[#DataStream-operator_subs-06]
= xref:DataStream.adoc[DataStream]::operator&lsqb;&rsqb;
:relfileprefix: ../
:mrdocs:

Return a reference to the unread element at `pos`&period;

== Synopsis

Declared in `&lt;streams&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:DataStream/reference.adoc[reference]
operator&lsqb;&rsqb;(xref:DataStream/size_type.adoc[size&lowbar;type] pos);
----

== Return Value

A reference to the unread element at `pos`&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *pos*
| Index of the unread element, relative to the read position&period;
|===


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