[#BloombergLP-bdld-DatumMutableArrayRef-2constructor-0a] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/DatumMutableArrayRef.adoc[DatumMutableArrayRef]::DatumMutableArrayRef :relfileprefix: ../../../ :mrdocs: Create a `DatumMutableArrayRef` object having the specified `data`, `length`, and `capacity`. == Synopsis Declared in `<bdld_datum.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- DatumMutableArrayRef( xref:BloombergLP/bdld/Datum.adoc[Datum]* data, xref:BloombergLP/bdld/DatumMutableArrayRef/SizeType.adoc[SizeType]* length, xref:BloombergLP/bdld/DatumMutableArrayRef/SizeType.adoc[SizeType] capacity); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#