[#BloombergLP-bdlc-BitArray-andEqual-0a] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/BitArray.adoc[BitArray]::andEqual :relfileprefix: ../../../ :mrdocs: AND the bit at the specified `index` in this array with the specified `value` (retaining the result). The behavior is undefined unless `index < length()`. == Synopsis Declared in `<bdlc_bitarray.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- void andEqual( std::size_t index, bool value); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#