[#BloombergLP-ball-CategoryManager_RadixTree_ChildNodeGuard-2constructor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/CategoryManager_RadixTree_ChildNodeGuard.adoc[CategoryManager&lowbar;RadixTree&lowbar;ChildNodeGuard]::CategoryManager&lowbar;RadixTree&lowbar;ChildNodeGuard
:relfileprefix: ../../../
:mrdocs:

Create a guard managing the specified `child` iterator in the specified `parent` node&period; The guard will erase the child from the parent upon destruction unless `release()` is called&period;

== Synopsis

Declared in `&lt;ball&lowbar;categorymanager&lowbar;radixtree&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
CategoryManager&lowbar;RadixTree&lowbar;ChildNodeGuard(
    xref:BloombergLP/ball/CategoryManager_RadixTree_ChildNodeGuard/Node.adoc[Node]* parent,
    xref:BloombergLP/ball/CategoryManager_RadixTree_ChildNodeGuard/ChildIterator.adoc[ChildIterator] child);
----


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