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

Remove from this tree all entries with keys that have the specified `prefix`, including the entry for the `prefix` itself if it exists. Return the number of entries removed. Note that this method removes all nodes whose keys start with `prefix`, not just those that have a value.

== Synopsis

Declared in `<ball_categorymanager_radixtree.h>`

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