[#BloombergLP-balst-StackTraceTestAllocator-numBlocksInUse]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balst.adoc[balst]::xref:BloombergLP/balst/StackTraceTestAllocator.adoc[StackTraceTestAllocator]::numBlocksInUse
:relfileprefix: ../../../
:mrdocs:

Return the number of blocks currently allocated from this object&period;

== Synopsis

Declared in `&lt;balst&lowbar;stacktracetestallocator&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size&lowbar;t
numBlocksInUse() const;
----

== Return Value

number of blocks currently allocated from this object


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