[#BloombergLP-ball-CategoryManager_RadixTree-find-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/CategoryManager_RadixTree.adoc[CategoryManager_RadixTree]::find
:relfileprefix: ../../../
:mrdocs:

`find` overloads

== Synopses

Declared in `<ball_categorymanager_radixtree.h>`

Return a modifiable reference to the value for `key`, if present.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/ball/CategoryManager_RadixTree/OptValueRef.adoc[CategoryManager_RadixTree<t_VALUE>::OptValueRef]
xref:BloombergLP/ball/CategoryManager_RadixTree/find-01.adoc[find](std::string_view const& key);
----

[.small]#xref:BloombergLP/ball/CategoryManager_RadixTree/find-01.adoc[_» more..._]#

Return a non‐modifiable reference to the value for `key`, if present.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/ball/CategoryManager_RadixTree/OptValueCRef.adoc[CategoryManager_RadixTree<t_VALUE>::OptValueCRef]
xref:BloombergLP/ball/CategoryManager_RadixTree/find-07.adoc[find](std::string_view const& key) const;
----

[.small]#xref:BloombergLP/ball/CategoryManager_RadixTree/find-07.adoc[_» more..._]#

== Return Value

optional reference to the value, or empty if not found

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| key to look up
|===


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