[#BloombergLP-bdld-Datum-adoptMap-09]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdld.adoc[bdld]::xref:BloombergLP/bdld/Datum.adoc[Datum]::adoptMap
:relfileprefix: ../../../
:mrdocs:

Return a datum that takes ownership of the specified `map`.

== Synopsis

Declared in `<bdld_datum.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdld/Datum.adoc[Datum]
adoptMap(xref:BloombergLP/bdld/DatumMutableMapRef.adoc[DatumMutableMapRef] const& map);
----

== Description

Return, by value, a datum that refers to the specified `map`. The behavior is undefined unless `map` was created using `createUninitializedMap` method. The behavior is also undefined unless each element in the held map has been assigned a value and the size of the map has been set accordingly. Note that the adopted map is owned and will be freed if `Datum::destroy` is called on the returned object.

== Return Value

a datum that takes ownership of the specified `map`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *map*
| mutable map previously created uninitialized
|===


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