[#BloombergLP-bdlc-FlatHashTable-hash_function]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/FlatHashTable.adoc[FlatHashTable]::hash_function
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Return (a copy of) the unary hash functor used by this flat hash table to generate a hash value (of type `bsl::size_t) for a `KEY' object.

== Synopsis

Declared in `<bdlc_flathashtable.h>`

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


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