[#bsl-vectorBase-0aa9-operator_subs-076]
= xref:bsl.adoc[bsl]::xref:bsl/vectorBase-0aa9.adoc[vectorBase<unsigned long long>]::operator[]
:relfileprefix: ../../
:mrdocs:

Subscript operators

== Synopses

Declared in `<bslstl_vector.h>`

Return a reference providing modifiable access to the element at the specified `position` in this vector. The behavior is undefined unless `position < size()`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/vectorBase-0aa9/reference.adoc[reference]
xref:bsl/vectorBase-0aa9/operator_subs-070.adoc[operator[]](xref:bsl/vectorBase-06a/size_type.adoc[size_type] position);
----

[.small]#xref:bsl/vectorBase-0aa9/operator_subs-070.adoc[_» more..._]#

Return a reference providing non‐modifiable access to the element at the specified `position` in this vector. The behavior is undefined unless `position < size()`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/vectorBase-0aa9/const_reference.adoc[const_reference]
xref:bsl/vectorBase-0aa9/operator_subs-04.adoc[operator[]](xref:bsl/vectorBase-06a/size_type.adoc[size_type] position) const;
----

[.small]#xref:bsl/vectorBase-0aa9/operator_subs-04.adoc[_» more..._]#


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