[#std-hash-0c6-operator_call]
= xref:std.adoc[std]::xref:std/hash-0c6.adoc[hash<std::tuple<Ts...>>]::operator()
:relfileprefix: ../../
:mrdocs:

Hash the tuple by combining the hashes of its elements.

== Synopsis

Declared in `<folly/hash/Hash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size_t
operator()(std::tuple<Ts...> const& key) const;
----

== Return Value

The combined hash

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| Tuple to hash
|===


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