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

Return `true` if the `numBlocksInUse` statistic of the tracked test allocator has decreased since construction of this monitor, and `false` otherwise.

== Synopsis

Declared in `<bslma_testallocatormonitor.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isInUseDown() const;
----


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