[#BloombergLP-bdld-DatumMapBuilder-2constructor-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/DatumMapBuilder.adoc[DatumMapBuilder]::DatumMapBuilder
:relfileprefix: ../../../
:mrdocs:

Create a builder using the specified `allocator`.

== Synopsis

Declared in `<bdld_datummapbuilder.h>`

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


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