[#BloombergLP-bslmt-WriteLockGuardUnlock-2constructor-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmt.adoc[bslmt]::xref:BloombergLP/bslmt/WriteLockGuardUnlock.adoc[WriteLockGuardUnlock]::WriteLockGuardUnlock
:relfileprefix: ../../../
:mrdocs:

Create a scoped guard that conditionally manages the specified `lock` (if non‐null) and invokes `lock‐>unlock()`. Supplying a null `lock` has no effect. The behavior is undefined unless `lock` (if non‐null) is locked by this thread. Note that `lock` must remain valid throughout the lifetime of this guard, or until `release` is called.

== Synopsis

Declared in `<bslmt_writelockguard.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
WriteLockGuardUnlock(T* lock);
----


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