[#bsl-allocator_traits-0108-deallocate]
= xref:bsl.adoc[bsl]::xref:bsl/allocator_traits-0108.adoc[allocator_traits]::deallocate
:relfileprefix: ../../
:mrdocs:

Deallocate the storage at `elementAddr` for `n` objects.

== Synopsis

Declared in `<bslma_allocatortraits.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
deallocate(
    ALLOCATOR_TYPE& basicAllocator,
    xref:bsl/allocator_traits-0108/pointer.adoc[pointer] elementAddr,
    xref:bsl/allocator_traits-0108/size_type.adoc[size_type] n);
----

== Description

Invoke `basicAllocator.deallocate(elementAddr, n)`. The behavior is undefined unless the specified `elementAddr` was returned from a prior call to the `allocate` method of an allocator that compares equal to the specified `allocator`, and has not yet been passed to a `deallocate` call of such an allocator object.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *basicAllocator*
| allocator that performs the deallocation
| *elementAddr*
| pointer previously returned by `allocate`
| *n*
| number of objects in the block to deallocate
|===


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