BloombergLP::bsls::BslOnceGuard

This class provides a guard for managing a BslOnce for the purpose of executing a block of code (only) once.

Synopsis

Declared in <bsls_bslonce.h>

class BslOnceGuard;

Name

Description

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

Destroy this guard.

Attempt to enter the one‐time block managed by once.

Exit the one‐time block of code. The behavior is undefined unless the caller had previously called enter, and enter had returned true.

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