[#BloombergLP-baljsn-EncoderTestChoiceWithAllCategoriesChoice-accessSelection]
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:mrdocs:

Invoke `accessor` on the non‐modifiable current selection.

== Synopsis

Declared in `<baljsn_encoder_testtypes.h>`

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

== Description

Invoke the specified 'accessor' on the non‐modifiable selection, supplying 'accessor' with the corresponding selection information structure. Return the value returned from the invocation of 'accessor' if this object has a defined selection, and ‐1 otherwise.

== Return Value

the value returned from the invocation of `accessor`, or a non‐zero value on failure

== Parameters

[cols="1,4"]
|===
| Name| Description
| *accessor*
| functor invoked on the current selection
|===


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