[#BloombergLP-bdlar-ChoiceConstRef-accessSelection]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::xref:BloombergLP/bdlar/ChoiceConstRef.adoc[ChoiceConstRef]::accessSelection
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:mrdocs:

Invoke the specified `accessor` on the (non‐modifiable) selection, supplying `accessor` with the corresponding selection information structure. The supplied `accessor` must be a callable type that can be called as if it had the following signature: ` template <class t_INFO> int accessor(const SELECTION& refOrValue, const t_INFO& info); ` Return the value returned from the invocation of `accessor`. The behavior is undefined unless `selectionId() != ‐1`.

== Synopsis

Declared in `<bdlar_choiceref.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename t_ACCESSOR>
int
accessSelection(t_ACCESSOR& accessor) const;
----


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