[#BloombergLP-bdld-DatumMutableArrayRef-2constructor-084]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/DatumMutableArrayRef.adoc[DatumMutableArrayRef]::DatumMutableArrayRef
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Constructors

== Synopses

Declared in `<bdld_datum.h>`

Create a `DatumMutableArrayRef` object that refers to no array.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bdld/DatumMutableArrayRef/2constructor-08c.adoc[DatumMutableArrayRef]();
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[.small]#xref:BloombergLP/bdld/DatumMutableArrayRef/2constructor-08c.adoc[_» more..._]#

Create a mutable view of a datum array.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdld/DatumMutableArrayRef/2constructor-0a.adoc[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]#xref:BloombergLP/bdld/DatumMutableArrayRef/2constructor-0a.adoc[_» more..._]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *data*
| pointer to the array storage
| *length*
| pointer to the array length
| *capacity*
| allocated capacity of the array
|===


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