[#BloombergLP-bsls-BslOnceGuard-2constructor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/BslOnceGuard.adoc[BslOnceGuard]::BslOnceGuard
:relfileprefix: ../../../
:mrdocs:

Create a guard to manage a block of code that is executed once.

== Synopsis

Declared in `<bsls_bslonce.h>`

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


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