[#bsl-shared_ptr-0a-2constructor-0735]
= xref:bsl.adoc[bsl]::xref:bsl/shared_ptr-0a.adoc[shared_ptr]::shared_ptr
:relfileprefix: ../../
:mrdocs:

Create a shared pointer that takes over the management of the modifiable object previously managed by the specified `adoptee` to the (template parameter) type `COMPATIBLE_TYPE`, and that refers to `(ELEMENT_TYPE *)autoPtr.get()`. `delete(autoPtr.release())` will be called to destroy the shared object when all references have been released. Optionally specify a `basicAllocator` used to allocate and deallocate the internal representation of the shared pointer. If `basicAllocator` is 0, the currently installed default allocator is used. This function does not exist unless `unique_ptr<COMPATIBLE_TYPE, DELETER>::pointer` is convertible to `ELEMENT_TYPE *`. Note that this function creates a `shared_ptr` with an unspecified deleter type that has satisfies this contract, which might not be the deleter of `rhs`, which is specified by the C++ standard.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class COMPATIBLE_TYPE,
    class UNIQUE_DELETER>
requires is_convertible<
                      typename std::unique_ptr<COMPATIBLE_TYPE,
                                               UNIQUE_DELETER>::pointer,
                      ELEMENT_TYPE *>::value
shared_ptr(
    std::unique_ptr<COMPATIBLE_TYPE, UNIQUE_DELETER>&& adoptee,
    xref:BloombergLP/bslma/Allocator.adoc[BloombergLP::bslma::Allocator]* basicAllocator = 0);
----


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