[#BloombergLP-ball-CategoryManager_RadixTree-contains]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/CategoryManager_RadixTree.adoc[CategoryManager_RadixTree]::contains
:relfileprefix: ../../../
:mrdocs:

Return `true` if this tree contains an entry for the specified `key`, and `false` otherwise.

== Synopsis

Declared in `<ball_categorymanager_radixtree.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
contains(std::string_view const& key) const;
----


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