[#std-hash-0d7]
= xref:std.adoc[std]::hash&lt;xref:folly/unique_hash_key_with.adoc[folly::unique&lowbar;hash&lowbar;key&lowbar;with&lt;Algo&gt;]&gt;
:relfileprefix: ../
:mrdocs:

std&colon;&colon;hash specialization for folly&colon;&colon;unique&lowbar;hash&lowbar;key&lowbar;with&period;

== Synopsis

Declared in `&lt;folly&sol;hash&sol;UniqueHashKey&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;auto Algo&gt;
struct hash&lt;xref:folly/unique_hash_key_with.adoc[folly::unique&lowbar;hash&lowbar;key&lowbar;with&lt;Algo&gt;]&gt;
    : hash&lt;folly::unique&lowbar;hash&lowbar;key&lt;&colon;&colon;folly&colon;&colon;unique&lowbar;hash&lowbar;key&lowbar;algo&lowbar;size&lowbar;v&lt;Algo&gt;&gt;&gt;
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `hash&lt;folly::unique&lowbar;hash&lowbar;key&lt;&colon;&colon;folly&colon;&colon;unique&lowbar;hash&lowbar;key&lowbar;algo&lowbar;size&lowbar;v&lt;Algo&gt;&gt;&gt;`
| 
|===


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