[#BloombergLP-bdlc-FlatHashTable-contains]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashTable.adoc[FlatHashTable]::contains
:relfileprefix: ../../../
:mrdocs:

Return `true` if this table contains an entry having the specified `key`, and `false` otherwise.

== Synopsis

Declared in `<bdlc_flathashtable.h>`

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


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