[#BloombergLP-bdld-DatumMapOwningKeysBuilder-2constructor-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/DatumMapOwningKeysBuilder.adoc[DatumMapOwningKeysBuilder]::DatumMapOwningKeysBuilder
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Constructors

== Synopses

Declared in `<bdld_datummapowningkeysbuilder.h>`

Create a `DatumMapOwningKeysBuilder` object that will administer the process of building a `Datum` map (owning keys) using the specified `allocator` (e.g., the address of a `bslma::Allocator` object) to supply memory. Note that no memory is allocated until `append` or `pushBack` methods are called on this object.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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explicit
xref:BloombergLP/bdld/DatumMapOwningKeysBuilder/2constructor-01.adoc[DatumMapOwningKeysBuilder](xref:BloombergLP/bdld/DatumMapOwningKeysBuilder/allocator_type.adoc[allocator_type] const& allocator);
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[.small]#xref:BloombergLP/bdld/DatumMapOwningKeysBuilder/2constructor-01.adoc[_» more..._]#

Create a `DatumMapBuilder` object managing the ownership of `Datum` map (owning keys) having the specified `initialCapacity` and `initialKeysCapacity` (in bytes) using the specified `allocator` (e.g., the address of a `bslma::Allocator` object) to supply memory.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:BloombergLP/bdld/DatumMapOwningKeysBuilder/2constructor-09.adoc[DatumMapOwningKeysBuilder](
    xref:BloombergLP/bdld/DatumMapOwningKeysBuilder/SizeType.adoc[SizeType] initialCapacity,
    xref:BloombergLP/bdld/DatumMapOwningKeysBuilder/SizeType.adoc[SizeType] initialKeysCapacity,
    xref:BloombergLP/bdld/DatumMapOwningKeysBuilder/allocator_type.adoc[allocator_type] const& allocator);
----

[.small]#xref:BloombergLP/bdld/DatumMapOwningKeysBuilder/2constructor-09.adoc[_» more..._]#


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