[#BloombergLP-ball-CategoryManager_RadixTree-clear]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/CategoryManager_RadixTree.adoc[CategoryManager&lowbar;RadixTree]::clear
:relfileprefix: ../../../
:mrdocs:

Remove all entries from this tree&period; After this call `empty()` will return `true`&period; After this call the tree will have 0 nodes&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
clear();
----


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