[#BloombergLP-bslstl-Function_Rep-isEmpty]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Function_Rep.adoc[Function&lowbar;Rep]::isEmpty
:relfileprefix: ../../../
:mrdocs:

Return `true` if `invoker()` is a null pointer, indicating that this object has no target object&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isEmpty() const noexcept;
----

== Return Value

`true` if this object has no target, and `false` otherwise


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