[#std-hash-0d5-operator_call]
= xref:std.adoc[std]::xref:std/hash-0d5.adoc[hash<folly::IPAddress>]::operator()
:relfileprefix: ../../
:mrdocs:

Return a hash value for the given address.

== Synopsis

Declared in `<folly/IPAddress.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size_t
operator()(xref:folly/IPAddress.adoc[folly::IPAddress] const& addr) const;
----

== Return Value

A hash value for `addr`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *addr*
| The address to hash.
|===


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