[#BloombergLP-bslh-Hash-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslh.adoc[bslh]::xref:BloombergLP/bslh/Hash-07.adoc[Hash]<>
:relfileprefix: ../../
:mrdocs:

This struct wraps the (template parameter) type `HASH_ALGORITHM` in an interface that satisfies the `hash` requirements of the C++11 standard.

== Synopsis

Declared in `<bslh_hash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<>
struct xref:BloombergLP/bslh/Hash-07.adoc[Hash]<>;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslh/Hash-02/HashAlgorithm.adoc[`HashAlgorithm`] 
| Make the `HASH_ALGORITHM` template parameter available to clients.
| xref:BloombergLP/bslh/Hash-02/result_type.adoc[`result_type`] 
| The type of the hash value that will be returned by the function‐call operator.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslh/Hash-02/operator_call.adoc[`operator()`] 
| 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.
|===



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