[#BloombergLP-ball-LoggerManager-visitObservers-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/LoggerManager.adoc[LoggerManager]::visitObservers
:relfileprefix: ../../../
:mrdocs:

Visit each registered observer with the specified `visitor`.

== Synopsis

Declared in `<ball_loggermanager.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_OBSERVER_VISITOR>
void
visitObservers(t_OBSERVER_VISITOR&& visitor);
----

== Description

Invoke the specified `visitor` functor of (template parameter) `t_OBSERVER_VISITOR` type on each element in the registry of this logger manager, supplying that functor modifiable access to each observer. `visitor` must be a functor that can be called as if it had the following signature: ` void operator()(const bsl::shared_ptr<Observer>& observer, const bsl::string_view& observerName); `


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