[#bsl-shared_ptr-0a-2constructor-01]
= 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 of (template parameter) type `COMPATIBLE_TYPE` previously managed by the auto pointer object that the specified `autoRef` refers to; this shared pointer refers to the same object that it manages, and `delete(get())` 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 `COMPATIBLE_TYPE *` is convertible to `ELEMENT_TYPE *`.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
shared_ptr(
    std::auto_ptr_ref<ELEMENT_TYPE> autoRef,
    xref:BloombergLP/bslma/Allocator.adoc[BloombergLP::bslma::Allocator]* basicAllocator = 0);
----


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