[#BloombergLP-balb-Request-accessSelection]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balb.adoc[balb]::xref:BloombergLP/balb/Request.adoc[Request]::accessSelection
:relfileprefix: ../../../
:mrdocs:

Invoke the specified `accessor` on the non‐modifiable selection, supplying `accessor` with the corresponding selection information structure.

== Synopsis

Declared in `<balb_testmessages.h>`

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

== Description

Return the value returned from the invocation of `accessor` if this object has a defined selection, and ‐1 otherwise.

== Return Value

value returned from the invocation of `accessor` if this object has a defined selection, and ‐1 otherwise

== Parameters

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


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