[#BloombergLP-bslma-TestAllocator-lastDeallocateNumBytes]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/TestAllocator.adoc[TestAllocator]::lastDeallocateNumBytes
:relfileprefix: ../../../
:mrdocs:

Return the number of bytes of the most recent memory deallocation request. Return 0 if the request was invalid (e.g., deallocating memory not allocated through this allocator).

== Synopsis

Declared in `<bslma_testallocator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bslma/Allocator/size_type.adoc[TestAllocator::size_type]
lastDeallocateNumBytes() const;
----

== Description

DEPRECATED: use `lastDeallocatedNumBytes` instead.


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