[#bsl-allocate_shared-0bb]
= xref:bsl.adoc[bsl]::allocate_shared
:relfileprefix: ../
:mrdocs:

Return a `shared_ptr` object referring to and managing a new `ELEMENT_TYPE` object. The specified `basicAllocator` will be used to supply a single contiguous region of memory holding the returned shared pointer's internal representation and the new `ELEMENT_TYPE` object, which is initialized using the `ELEMENT_TYPE` constructor that takes the specified arguments `std::forward<ARGS>(args)...`. If `ELEMENT_TYPE` uses `bslma` allocators, then `basicAllocator` is passed as an extra argument in the final position. If `basicAllocator` is 0, then the default allocator will be used instead, and passed as the allocator, when appropriate, to the `ELEMENT_TYPE` constructor.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class ELEMENT_TYPE,
    class ALLOC,
    class... ARGS>
xref:bsl/shared_ptr-0a.adoc[bsl::shared_ptr<ELEMENT_TYPE>]
allocate_shared(
    ALLOC* basicAllocator,
    ARGS&&... args)
requires !is_array<ELEMENT_TYPE>::value;
----


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