[#bsl-weak_ptr-0d-2constructor-06]
= xref:bsl.adoc[bsl]::xref:bsl/weak_ptr-0d.adoc[weak&lowbar;ptr]::weak&lowbar;ptr
:relfileprefix: ../../
:mrdocs:

Create a weak pointer in the empty state and referring to no object, i&period;e&period;, a weak pointer having no representation&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;sharedptr&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
weak&lowbar;ptr() noexcept;
----


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