[#bsl-Deque_Guard-operator_dec]
= xref:bsl.adoc[bsl]::xref:bsl/Deque_Guard.adoc[Deque&lowbar;Guard]::operator&hyphen;&hyphen;
:relfileprefix: ../../
:mrdocs:

Decrement the count of this guard, and return the new count&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;deque&period;h&gt;`

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

== Return Value

new count after decrement


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