[#BloombergLP-bdld-Datum-createUninitializedMap-0ec]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/Datum.adoc[Datum]::createUninitializedMap
:relfileprefix: ../../../
:mrdocs:

`createUninitializedMap` overloads

== Synopses

Declared in `&lt;bdld&lowbar;datum&period;h&gt;`

Create an uninitialized datum map and load a reference into `result`&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
xref:BloombergLP/bdld/Datum/createUninitializedMap-05.adoc[createUninitializedMap](
    xref:BloombergLP/bdld/DatumMutableMapRef.adoc[DatumMutableMapRef]* result,
    xref:BloombergLP/bdld/Datum/SizeType.adoc[SizeType] capacity,
    xref:BloombergLP/bdld/Datum/AllocatorType.adoc[AllocatorType] const& allocator);
----

[.small]#xref:BloombergLP/bdld/Datum/createUninitializedMap-05.adoc[_» more&period;&period;&period;_]#

Create an uninitialized key&hyphen;owning datum map and load it into `result`&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
xref:BloombergLP/bdld/Datum/createUninitializedMap-0e8.adoc[createUninitializedMap](
    xref:BloombergLP/bdld/DatumMutableMapOwningKeysRef.adoc[DatumMutableMapOwningKeysRef]* result,
    xref:BloombergLP/bdld/Datum/SizeType.adoc[SizeType] capacity,
    xref:BloombergLP/bdld/Datum/SizeType.adoc[SizeType] keysCapacity,
    xref:BloombergLP/bdld/Datum/AllocatorType.adoc[AllocatorType] const& allocator);
----

[.small]#xref:BloombergLP/bdld/Datum/createUninitializedMap-0e8.adoc[_» more&period;&period;&period;_]#

== Parameters

[cols="1,4"]
|===
| Name| Description
| *result*
| receives the mutable map reference
| *capacity*
| maximum number of entries the map can hold
| *allocator*
| memory allocator to use
| *keysCapacity*
| total key&hyphen;storage capacity in bytes
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#
