[#BloombergLP-bdld-Datum-createUninitializedArray]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/Datum.adoc[Datum]::createUninitializedArray
:relfileprefix: ../../../
:mrdocs:

Load the specified `result` with a reference to a newly created datum array having the specified `capacity`, using the specified `allocator` to supply memory. The behavior is undefined if `capacity` `Datum` objects would exceed the addressable memory for the platform. Note that the caller is responsible for filling in elements into the datum array and setting its length accordingly. The number of elements in the datum array cannot exceed `capacity`. Also note that any elements in the datum array that need dynamic memory must be allocated with `allocator`.

== Synopsis

Declared in `<bdld_datum.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
createUninitializedArray(
    xref:BloombergLP/bdld/DatumMutableArrayRef.adoc[DatumMutableArrayRef]* result,
    xref:BloombergLP/bdld/Datum/SizeType.adoc[SizeType] capacity,
    xref:BloombergLP/bdld/Datum/AllocatorType.adoc[AllocatorType] const& allocator);
----


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