[#BloombergLP-bdld-DatumArrayBuilder-2constructor-0c]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/DatumArrayBuilder.adoc[DatumArrayBuilder]::DatumArrayBuilder
:relfileprefix: ../../../
:mrdocs:

Create a builder for a `Datum` array.

== Synopsis

Declared in `<bdld_datumarraybuilder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
DatumArrayBuilder();
----

== Description

Optionally specify an `initialCapacity` for the array. If `initialCapacity` is not supplied, the initial capacity of the array is 0. Optionally specify an `allocator` (e.g., the address of a `bslma::Allocator` object) to supply memory; otherwise, the default allocator is used.


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