[#bsl-hash-06-operator_call-0a]
= xref:bsl.adoc[bsl]::xref:bsl/hash-06.adoc[hash]::operator()
:relfileprefix: ../../
:mrdocs:

Function call operators

== Synopses

Declared in `<bslh_hash.h>`

Compute and return the hash of the specified `value`. This implementation forwards to the call operator of the base class, but with the parameter guaranteed to be of type `TYPE`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size_t
xref:bsl/hash-06/operator_call-0f.adoc[operator()](TYPE const& value) const;
----

[.small]#xref:bsl/hash-06/operator_call-0f.adoc[_» more..._]#

Returns a hash value generated by the (template parameter) type `HASH_ALGORITHM` for the specified `type`. The value returned by the `HASH_ALGORITHM` is cast to `size_t` before returning.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
xref:BloombergLP/bslh/Hash-02/result_type.adoc[bslh::Hash<bslh::DefaultHashAlgorithm>::result_type]
xref:BloombergLP/bslh/Hash-02/operator_call.adoc[operator()](TYPE const& key) const;
----

[.small]#xref:BloombergLP/bslh/Hash-02/operator_call.adoc[_» more..._]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#