[#BloombergLP-bdlcc-Queue-highWaterMark]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/Queue.adoc[Queue]::highWaterMark
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:mrdocs:

Return the high&hyphen;water mark value for this queue&period; Note that a negative value indicates no suggested&hyphen;maximum capacity, and is not necessarily the same negative value that was passed to the constructor&period;

== Synopsis

Declared in `&lt;bdlcc&lowbar;queue&period;h&gt;`

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


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