[#BloombergLP-bslalg-RbTreeAnchor-decrementNumNodes]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/RbTreeAnchor.adoc[RbTreeAnchor]::decrementNumNodes
:relfileprefix: ../../../
:mrdocs:

Decrement, by 1, the `numNodes` attribute of this object. The behavior is undefined unless `1 <= numNodes`.

== Synopsis

Declared in `<bslalg_rbtreeanchor.h>`

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


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