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

Create a builder using the specified `allocator`.

== Synopsis

Declared in `<bdld_datumarraybuilder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
DatumArrayBuilder(xref:BloombergLP/bdld/DatumArrayBuilder/allocator_type.adoc[allocator_type] const& allocator);
----

== Description

Create a `DatumArrayBuilder` with an initial capacity of 0 that uses the specified `allocator` (e.g., the address of a `bslma::Allocator` object) to supply memory.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *allocator*
| allocator used to supply memory
|===


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