[#bsl-weak_ptr-0d-2constructor-0d]
= xref:bsl.adoc[bsl]::xref:bsl/weak_ptr-0d.adoc[weak_ptr]::weak_ptr
:relfileprefix: ../../
:mrdocs:

Create a weak pointer that refers to the same object (if any) as the specified `original` weak pointer, and increment the number of weak references to the object managed by `original` (if any). Note that if `original` is in the empty state, this weak pointer will be initialized to the empty state.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
weak_ptr(xref:bsl/weak_ptr-0d.adoc[weak_ptr] const& original) noexcept;
----


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