[#bsl-vector-027-data-05]
= xref:bsl.adoc[bsl]::xref:bsl/vector-027.adoc[vector<MetricSampleGroup>]::data
:relfileprefix: ../../
:mrdocs:

`data` overloads

== Synopses

Declared in `<bslstl_vector.h>`

Return the address of the modifiable first element in this vector, or a valid, but non‐dereferenceable pointer value if this vector is empty.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/balm/MetricSampleGroup.adoc[MetricSampleGroup]*
xref:bsl/vector-027/data-0a.adoc[data]() noexcept;
----

[.small]#xref:bsl/vector-027/data-0a.adoc[_» more..._]#

Return the address of the non‐modifiable first element in this vector, or a valid, but non‐dereferenceable pointer value if this vector is empty.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/balm/MetricSampleGroup.adoc[MetricSampleGroup] const*
xref:bsl/vector-027/data-08.adoc[data]() const noexcept;
----

[.small]#xref:bsl/vector-027/data-08.adoc[_» more..._]#


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