[#bsl-bitset-operator_or_eq]
= xref:bsl.adoc[bsl]::xref:bsl/bitset.adoc[bitset]::operator|=
:relfileprefix: ../../
:mrdocs:

Set bits of this bitset where the corresponding bits of `rhs` are 1.

== Synopsis

Declared in `<bslstl_bitset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/bitset.adoc[bitset<N>]&
operator|=(xref:bsl/bitset.adoc[bitset] const& rhs) noexcept;
----

== Description

Set each bit of this bitset for each corresponding bit that is 1 in the specified `rhs`, and leaves all other bits unchanged. Return a reference to this modifiable bitset. Note that this is equivalent to a bitwise AND.

== Return Value

reference to this modifiable bitset

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rhs*
| bitset providing bits that are OR'd into this object
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#