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 const_cast<TO_TYPE *>(source.get()). Note that if source cannot be const-cast to TO_TYPE *, then a compiler diagnostic will be emitted indicating the error.
Declared in <bslstl_sharedptr.h>
template<
class TO_TYPE,
class FROM_TYPE>
bsl::shared_ptr<TO_TYPE>
const_pointer_cast(shared_ptr<FROM_TYPE> const& source) noexcept;