[#BloombergLP-bdlar-ChoiceConstVtable]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlar.adoc[bdlar]::ChoiceConstVtable
:relfileprefix: ../../
:mrdocs:

This struct stores a series of function pointers to wrappers that invoke the underlying methods with read‐only access of the supplied type erased object that implement the "choice" type category.

== Synopsis

Declared in `<bdlar_choicevtable.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct ChoiceConstVtable;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlar/ChoiceConstVtable/AccessSelection.adoc[`AccessSelection`] 
| Function pointer type accessing a choice selection.
| xref:BloombergLP/bdlar/ChoiceConstVtable/HasSelectionId.adoc[`HasSelectionId`] 
| Function pointer type indicating whether a choice has the specified selection id.
| xref:BloombergLP/bdlar/ChoiceConstVtable/HasSelectionName.adoc[`HasSelectionName`] 
| Function pointer type indicating whether a choice has the specified selection name.
| xref:BloombergLP/bdlar/ChoiceConstVtable/SelectionId.adoc[`SelectionId`] 
| Function pointer type returning the current selection id of the specified `object`.
| xref:BloombergLP/bdlar/ChoiceConstVtable/XsdName.adoc[`XsdName`] 
| Function pointer type returning the `bdlat_TypeName::xsdName` value for `object`.
|===


== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlar/ChoiceConstVtable/d_accessSelection_fp.adoc[`d_accessSelection_fp`] 
| selection accessor
| xref:BloombergLP/bdlar/ChoiceConstVtable/d_hasSelectionId_fp.adoc[`d_hasSelectionId_fp`] 
| selection id predicate
| xref:BloombergLP/bdlar/ChoiceConstVtable/d_hasSelectionName_fp.adoc[`d_hasSelectionName_fp`] 
| selection name predicate
| xref:BloombergLP/bdlar/ChoiceConstVtable/d_selectionId_fp.adoc[`d_selectionId_fp`] 
| selection id accessor
| xref:BloombergLP/bdlar/ChoiceConstVtable/d_xsdName_fp.adoc[`d_xsdName_fp`] 
| XSD name accessor
|===



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