[#bsl-dynamic_pointer_cast]
= xref:bsl.adoc[bsl]::dynamic_pointer_cast
:relfileprefix: ../
:mrdocs:

Return a `shared_ptr<TO_TYPE>` object sharing ownership of the same object as the specified `source` shared pointer to the (template parameter) `FROM_TYPE`, and referring to `dynamic_cast<TO_TYPE*>(source.get())`. If `source` cannot be dynamically cast to `TO_TYPE *`, then an empty `shared_ptr<TO_TYPE>` object is returned.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

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


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