[#base_uint-02-operator_or_eq-0e]
= xref:base_uint-02.adoc[base_uint]::operator|=
:relfileprefix: ../
:mrdocs:

Applies a bitwise OR with another big integer in place.

== Synopsis

Declared in `<arith_uint256.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base_uint]&
operator|=(xref:base_uint-02.adoc[base_uint] const& b);
----

== Return Value

A reference to this object.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *b*
| The right‐hand operand.
|===


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