[#BloombergLP-bslstl-Function_InvokerUtil_IsFuncInvocableImp-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::Function&lowbar;InvokerUtil&lowbar;IsFuncInvocableImp
:relfileprefix: ../../
:mrdocs:

forward declaration

== Synopsis

Declared in `&lt;bslstl&lowbar;function&lowbar;invokerutil&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    class VOID&lowbar;TYPE,
    class RET,
    class FUNC,
    class&period;&period;&period; ARGS&gt;
struct Function&lowbar;InvokerUtil&lowbar;IsFuncInvocableImp
    : xref:bsl/false_type.adoc[bsl::false&lowbar;type]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:bsl/false_type.adoc[bsl::false&lowbar;type]`
| Metafunction representing the boolean constant `false`&period;
|===

== Specializations

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslstl/Function_InvokerUtil_IsFuncInvocableImp-04.adoc[`Function&lowbar;InvokerUtil&lowbar;IsFuncInvocableImp&lt;bslmf::VoidType&lt;Function&lowbar;InvokerUtil&lowbar;ResultType&lt;FUNC, ARGS&period;&period;&period;&gt;::type&gt;::type, RET, FUNC, ARGS&period;&period;&period;&gt;`] 
| Partial specialization when `FUNC` is invocable with the supplied `ARGS`&period;
|===


== Derived Classes

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bslstl/Function_InvokerUtil_IsFuncInvocable-0e.adoc[`Function&lowbar;InvokerUtil&lowbar;IsFuncInvocable&lt;RET(ARGS&period;&period;&period;), FUNC&gt;`] 
| Boolean metafunction for invocability of `FUNC` with `RET` and `ARGS`&period;
|===


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