[#bsl-owner_hash-operator_call-0c]
= xref:bsl.adoc[bsl]::xref:bsl/owner_hash.adoc[owner_hash]::operator()
:relfileprefix: ../../
:mrdocs:

Return the result of calling `owner_hash()` on the specified `x`.

== Synopsis

Declared in `<bslstl_ownerhash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ELEMENT_TYPE>
std::size_t
operator()(xref:bsl/shared_ptr-0a.adoc[shared_ptr<ELEMENT_TYPE>] const& x) const noexcept;
----

== Description

Note that for any object `y` where `x.owner_equal(y)` is true, `x.owner_hash() == y.owner_hash()` is true.

== Return Value

hash of the owner identity of `x`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *x*
| shared pointer whose owner identity is hashed
|===


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