[#BloombergLP-bdlc-BitArray-find0AtMinIndex]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/BitArray.adoc[BitArray]::find0AtMinIndex
:relfileprefix: ../../../
:mrdocs:

Return the index of the least&hyphen;significant 0 bit in this array in the range optionally specified by `begin` and `end`, and `k&lowbar;INVALID&lowbar;INDEX` otherwise&period; The range is `&lsqb;begin &period;&period; effectiveEnd)&rsqb;`, where `effectiveEnd &equals;&equals; length()` if `end` is not specified and `effectiveEnd &equals;&equals; end` otherwise&period; The behavior is undefined unless `begin &lt;&equals; effectiveEnd &lt;&equals; length()`&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
std::size&lowbar;t
find0AtMinIndex(
    std::size&lowbar;t begin = 0,
    std::size&lowbar;t end = k&lowbar;INVALID&lowbar;INDEX) const;
----


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