[#BloombergLP-bdlc-FlatHashSet-key_compare]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashSet.adoc[FlatHashSet]::key_compare
:relfileprefix: ../../../
:mrdocs:

Key equality predicate type.

== Synopsis

Declared in `<bdlc_flathashset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef EQUAL key_compare;
----


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