[#BloombergLP-bdlb-BitStringImpUtil-find1AtMinIndexRaw]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/BitStringImpUtil.adoc[BitStringImpUtil]::find1AtMinIndexRaw
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:mrdocs:

Return the index of the lowest&hyphen;order set bit in the specified non&hyphen;zero `value`&period; The behavior is undefined unless `0 !&equals; value`&period; Note that this method is &quot;raw&quot; due to the requirement that at least one bit in `value` must be set&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
find1AtMinIndexRaw(uint64&lowbar;t value);
----


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