[#BloombergLP-bdld-DatumArrayRef-back] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/DatumArrayRef.adoc[DatumArrayRef]::back :relfileprefix: ../../../ :mrdocs: Return a reference providing non‐modifiable access to the last element of the array this reference object represents. The behavior is undefined unless `size() > 0`. == Synopsis Declared in `<bdld_datum.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- xref:BloombergLP/bdld/DatumArrayRef/const_reference.adoc[DatumArrayRef::const_reference] back() const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#