[#BloombergLP-bslalg-RbTreeNode-isBlack]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/RbTreeNode.adoc[RbTreeNode]::isBlack
:relfileprefix: ../../../
:mrdocs:

Return `true` if this node is black.

== Synopsis

Declared in `<bslalg_rbtreenode.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isBlack() const;
----


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