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

Sentinel index value indicating an invalid bit position&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
std::size&lowbar;t const k&lowbar;INVALID&lowbar;INDEX = &#126;static&lowbar;cast&lt;bsl&colon;&colon;size&lowbar;t&gt;(0);
----


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