[#std-hash-000]
= xref:std.adoc[std]::hash&lt;xref:folly/IPAddressV4.adoc[folly::IPAddressV4]&gt;
:relfileprefix: ../
:mrdocs:

Hash support for `folly&colon;&colon;IPAddressV4`&period;

== Synopsis

Declared in `&lt;folly&sol;IPAddressV4&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;&gt;
struct hash&lt;xref:folly/IPAddressV4.adoc[folly::IPAddressV4]&gt;;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:std/hash-000/operator_call.adoc[`operator()`] 
| Returns a hash of the given address&period;
|===



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