[#BloombergLP-bslmf-ResultType_Fallback-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::xref:BloombergLP/bslmf/ResultType_Fallback-0b.adoc[ResultType&lowbar;Fallback]&lt;xref:BloombergLP/bslmf/Nil.adoc[bslmf::Nil]&gt;
:relfileprefix: ../../
:mrdocs:

Specialization of `ResultType&lowbar;Fallback` that does not define `type` if `bslmf&colon;&colon;Nil` is specified as the fallback parameter&period;

== Synopsis

Declared in `&lt;bslmf&lowbar;resulttype&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;&gt;
struct xref:BloombergLP/bslmf/ResultType_Fallback-0b.adoc[ResultType&lowbar;Fallback]&lt;xref:BloombergLP/bslmf/Nil.adoc[bslmf::Nil]&gt;;
----


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