[#UniqueLock-2constructor-07]
= xref:UniqueLock.adoc[UniqueLock]::UniqueLock
:relfileprefix: ../
:mrdocs:

Construct an empty lock that owns no mutex (needed for reverse&lowbar;lock)&period;

== Synopsis

Declared in `&lt;sync&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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UniqueLock() = default;
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