[#BloombergLP-bdlb-Variant_ReturnValueHelper_Matcher]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::Variant_ReturnValueHelper_Matcher
:relfileprefix: ../../
:mrdocs:

This struct is a component‐private struct. Do _not_ use. This provides functions, the matching of which are used by Variant_ReturnValueHelper to determine whether the template parameter type `VISITOR` has the member `ResultType` defined.

== Synopsis

Declared in `<bdlb_variant.h>`

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

== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/Variant_ReturnValueHelper_Matcher/match-0c.adoc[`match`] 
| `match` overloads
|===



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