[#bsl-Deque_Base-operator_subs-09]
= xref:bsl.adoc[bsl]::xref:bsl/Deque_Base.adoc[Deque_Base]::operator[]
:relfileprefix: ../../
:mrdocs:

Subscript operators

== Synopses

Declared in `<bslstl_deque.h>`

Return a modifiable reference to the element at `position`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/Deque_Base/reference.adoc[Deque_Base<VALUE_TYPE>::reference]
xref:bsl/Deque_Base/operator_subs-08.adoc[operator[]](xref:bsl/Deque_Base/size_type.adoc[size_type] position);
----

[.small]#xref:bsl/Deque_Base/operator_subs-08.adoc[_» more..._]#

Return a non‐modifiable reference to the element at `position`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/Deque_Base/const_reference.adoc[Deque_Base<VALUE_TYPE>::const_reference]
xref:bsl/Deque_Base/operator_subs-00.adoc[operator[]](xref:bsl/Deque_Base/size_type.adoc[size_type] position) const;
----

[.small]#xref:bsl/Deque_Base/operator_subs-00.adoc[_» more..._]#

== Return Value

* modifiable reference to the element at `position`
* non‐modifiable reference to the element at `position`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *position*
| zero‐based index of the element
|===


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