[#BloombergLP-bdlc-HashTableDefaultHash2-operator_call-061d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/HashTableDefaultHash2.adoc[HashTableDefaultHash2]::operator()
:relfileprefix: ../../../
:mrdocs:

Return the result of `bdlb::HashUtil::hash2` using key data and key length. If the specified `key` is not of type `const char*` or `bsl::string`, then the footprint and size of the object are used as key data and key length, respectively.

== Synopsis

Declared in `<bdlc_hashtable.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class KEY>
unsigned int
operator()(KEY const& key) const;
----


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