[#BloombergLP-bdlc-BitArray-k_INVALID_INDEX]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/BitArray.adoc[BitArray]::k&lowbar;INVALID&lowbar;INDEX
:relfileprefix: ../../../
:mrdocs:

Sentinel index value indicating an invalid bit position&period;

== Synopsis

Declared in `&lt;bdlc&lowbar;bitarray&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
std::size&lowbar;t const k&lowbar;INVALID&lowbar;INDEX = bdlb&colon;&colon;BitStringUtil&colon;&colon;k&lowbar;INVALID&lowbar;INDEX;
----


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