[#BloombergLP-bslstl-SharedPtrArrayAllocateInplaceRep-alloc_size]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/SharedPtrArrayAllocateInplaceRep.adoc[SharedPtrArrayAllocateInplaceRep]::alloc_size
:relfileprefix: ../../../
:mrdocs:

Return the allocation size in bytes for a representation of the given size.

== Synopsis

Declared in `<bslstl_sharedptrallocateinplacerep.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
size_t
alloc_size(size_t numElements);
----

== Description

Return the size (in bytes) for an allocation to hold an object of type `SharedPtrArrayAllocateInplaceRep<T[]>` containing the specified `numElements` number of elements.

== Return Value

allocation size in bytes for a representation of the given size

== Parameters

[cols="1,4"]
|===
| Name| Description
| *numElements*
| number of array elements to reserve space for
|===


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