[#BloombergLP-bdlb-IndexSpan-isEmpty]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/IndexSpan.adoc[IndexSpan]::isEmpty
:relfileprefix: ../../../
:mrdocs:

Return `true` if the length attribute is 0&semi; and return `false` otherwise&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;indexspan&period;h&gt;`

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

== Return Value

`true` if the length is 0, and `false` otherwise


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