[#BloombergLP-bslmf-InvokeResult_FuncPtrImp-0d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::InvokeResult&lowbar;FuncPtrImp
:relfileprefix: ../../
:mrdocs:

Forward declaration

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    class t&lowbar;VOID&lowbar;TYPE,
    class t&lowbar;FN,
    class&period;&period;&period; t&lowbar;ARGTYPES&gt;
struct InvokeResult&lowbar;FuncPtrImp;
----

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/InvokeResult_FuncPtrImp-0c.adoc[`InvokeResult&lowbar;FuncPtrImp&lt;bslmf::VoidType&lt;decltype(InvokeResult&lowbar;ImpUtils&colon;&colon;myDeclval&lt;t&lowbar;FN&gt;()(
                    InvokeResult&lowbar;ImpUtils&colon;&colon;myDeclval&lt;t&lowbar;ARGTYPES&gt;()&period;&period;&period;))&gt;::type, t&lowbar;FN, t&lowbar;ARGTYPES&period;&period;&period;&gt;`] 
| Implementation of `invoke&lowbar;result&lt;t&lowbar;FN, t&lowbar;ARGTYPES&period;&period;&period;&gt;`&period; This specialization is instantiated in C&plus;&plus;11 and later when `t&lowbar;FN` is a pointer&hyphen;to&hyphen;function type, and the `INVOKE(fn, args&period;&period;&period;)` expression is well&hyphen;formed given `fn` is an object of the specified `t&lowbar;FN` type and `args&period;&period;&period;` are objects of the specified `t&lowbar;ARGTYPES&period;&period;&period;` types&period; The `INVOKE(fn, args&period;&period;&period;)` expression in this case is `fn(args&period;&period;&period;)`&period;
|===



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