[#BloombergLP-bslmf-InvokeResult_BaseCalcUtil]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::InvokeResult&lowbar;BaseCalcUtil
: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;FN,
    class&period;&period;&period; t&lowbar;ARGTYPES&gt;
struct InvokeResult&lowbar;BaseCalcUtil;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/InvokeResult_BaseCalcUtil/BaseType.adoc[`BaseType`] 
| In C&plus;&plus;11 and later, conditionally provides a nested typedef `type` that is the type returned by the expression `(f, args&period;&period;&period;)`, where `f` is an object of type `t&lowbar;FN` and `args&period;&period;&period;` is a list of object of types `t&lowbar;ARGTYPES&period;&period;&period;`, if the expression is well formed&period; In C&plus;&plus;03, provide a nested typed `type` that is the type returned by the same invoke expression if the type can be deduced, and is `InvokeResultDeductionFailed` otherwise&period; Note that in C&plus;&plus;11 and later, `type` is never `InvokeResultDeductionFailed`&period;
|===



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