[#BloombergLP-bslstl-Function_Rep-isEmpty]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/Function_Rep.adoc[Function_Rep]::isEmpty
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:mrdocs:

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

== Synopsis

Declared in `<bslstl_function_rep.h>`

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


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