[#BloombergLP-bdlc-BitArray-operator_and_eq]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/BitArray.adoc[BitArray]::operator&=
:relfileprefix: ../../../
:mrdocs:

Bitwise AND the value of the specified `rhs` array with the value of this array (retaining the results), and return a non‐`const` reference to this object. The length of the result will be the maximum of the lengths of this object and `rhs`, where any most‐significant bits that are represented in one of the two but not the other will be set to 0. Note that `a &= b;` will result in the same value of `a` as `a = a & b;`.

== Synopsis

Declared in `<bdlc_bitarray.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlc/BitArray.adoc[BitArray]&
operator&=(xref:BloombergLP/bdlc/BitArray.adoc[BitArray] const& rhs);
----


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