[#bsl-operator_3way-0412]
= xref:bsl.adoc[bsl]::operator<=>
:relfileprefix: ../
:mrdocs:

Perform a three‐way comparison of the specified `ptr` and null pointer by using the comparison operators of `TYPE *`; return the result of that comparison.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
std::strong_ordering
operator<=>(
    xref:bsl/shared_ptr-0a.adoc[shared_ptr<TYPE>] const& ptr,
    xref:bsl/nullptr_t-08.adoc[nullptr_t] nullPointerLiteral) noexcept;
----

== Return Value

three‐way comparison result of `ptr` and a null pointer

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ptr*
| pointer to the object to manage or refer to
| *nullPointerLiteral*
| null‐pointer literal (unused; selects this overload)
|===


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