[#bsl-vector-0cf-at]
= xref:bsl.adoc[bsl]::xref:bsl/vector-0cf.adoc[vector<unsigned char>]::at
:relfileprefix: ../../
:mrdocs:

`at` overloads

== Synopses

Declared in `<bslstl_vector.h>`

Return a reference providing modifiable access to the element at the specified `position` in this vector. Throw a `std::out_of_range` exception if `position >= size()`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/vectorBase-033/reference.adoc[reference]
xref:bsl/vectorBase-033/at-08.adoc[at](xref:bsl/vectorBase-06a/size_type.adoc[size_type] position);
----

[.small]#xref:bsl/vectorBase-033/at-08.adoc[_» more..._]#

Return a reference providing non‐modifiable access to the element at the specified `position` in this vector. Throw a `bsl::out_of_range` exception if `position >= size()`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/vectorBase-033/const_reference.adoc[const_reference]
xref:bsl/vectorBase-033/at-04.adoc[at](xref:bsl/vectorBase-06a/size_type.adoc[size_type] position) const;
----

[.small]#xref:bsl/vectorBase-033/at-04.adoc[_» more..._]#


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