[#BloombergLP-bslmf-InvokeResult_BaseCalcUtil]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::InvokeResult_BaseCalcUtil
:relfileprefix: ../../
:mrdocs:

Forward declaration

== Synopsis

Declared in `<bslmf_invokeresult.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class t_FN,
    class... t_ARGTYPES>
struct InvokeResult_BaseCalcUtil;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslmf/InvokeResult_BaseCalcUtil/BaseType.adoc[`BaseType`] 
| In C++11 and later, conditionally provides a nested typedef `type` that is the type returned by the expression `(f, args...)`, where `f` is an object of type `t_FN` and `args...` is a list of object of types `t_ARGTYPES...`, if the expression is well formed. In C++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. Note that in C++11 and later, `type` is never `InvokeResultDeductionFailed`.
|===



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