[#bsl-vector-047-back]
= xref:bsl.adoc[bsl]::xref:bsl/vector-047.adoc[vector<unsigned long long>]::back
:relfileprefix: ../../
:mrdocs:

`back` overloads

== Synopses

Declared in `<bslstl_vector.h>`

Return a reference providing modifiable access to the last element in this vector. The behavior is undefined unless this vector is not empty.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/vectorBase-0aa9/reference.adoc[reference]
xref:bsl/vectorBase-0aa9/back-0e.adoc[back]();
----

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

Return a reference providing non‐modifiable access to the last element in this vector. The behavior is undefined unless this vector is not empty.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/vectorBase-0aa9/const_reference.adoc[const_reference]
xref:bsl/vectorBase-0aa9/back-07.adoc[back]() const;
----

[.small]#xref:bsl/vectorBase-0aa9/back-07.adoc[_» more..._]#


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