[#BloombergLP-bslstl-SharedPtr_TestIsCallable-test-0b]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/SharedPtr_TestIsCallable.adoc[SharedPtr_TestIsCallable]::test
:relfileprefix: ../../../
:mrdocs:

Overload selected when `FUNCTOR` is callable with `ARG`.

== Synopsis

Declared in `<bslstl_sharedptr.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ARG>
static
xref:BloombergLP/bslstl/SharedPtr_TestIsCallable.adoc[TrueType]
test(xref:bsl/enable_if-07.adoc[bsl::enable_if<static_cast<bool>(sizeof ((static_cast<void>(Util::declval<FUNCTOR>()(Util::declval<ARG>())) , 0)))>::type]* dummy);
----

== Return Value

`TrueType` indicating the functor is callable with `ARG`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dummy*
| unused SFINAE discriminator
|===


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