[#BloombergLP-bdlc-FlatHashMap_EntryUtil-key]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashMap_EntryUtil.adoc[FlatHashMap_EntryUtil]::key
:relfileprefix: ../../../
:mrdocs:

Return the key of the specified `entry`.

== Synopsis

Declared in `<bdlc_flathashmap.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
KEY const&
key(ENTRY const& entry);
----


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