[#BloombergLP-bslma-TestAllocatorMonitor-numBlocksTotalChange]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/TestAllocatorMonitor.adoc[TestAllocatorMonitor]::numBlocksTotalChange
:relfileprefix: ../../../
:mrdocs:

Return the change in the `numBlocksTotal` statistic of the tracked test allocator since construction of this monitor&period;

== Synopsis

Declared in `&lt;bslma&lowbar;testallocatormonitor&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bsls/Types/Int64.adoc[bsls::Types::Int64]
numBlocksTotalChange() const;
----

== Return Value

The change in `numBlocksTotal`&period;


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