[#base_uint-0d-operator_assign-04]
= xref:base_uint-0d.adoc[base&lowbar;uint&lt;256&gt;]::operator&equals;
:relfileprefix: ../
:mrdocs:

Assignment operators

== Synopses

Declared in `&lt;arith&lowbar;uint256&period;h&gt;`

Assigns a 64&hyphen;bit unsigned value to this big integer&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base&lowbar;uint&lt;256&gt;]&
xref:base_uint-0d/operator_assign-0a.adoc[operator&equals;](uint64&lowbar;t b);
----

[.small]#xref:base_uint-0d/operator_assign-0a.adoc[_» more&period;&period;&period;_]#

Copy&hyphen;assigns a big integer from another of the same width&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:base_uint-02.adoc[base&lowbar;uint&lt;256&gt;]&
xref:base_uint-0d/operator_assign-0f.adoc[operator&equals;](xref:base_uint-02.adoc[base&lowbar;uint&lt;256&gt;] const& b) = default;
----

[.small]#xref:base_uint-0d/operator_assign-0f.adoc[_» more&period;&period;&period;_]#

== Return Value

A reference to this object&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *b*
| The value to store in the low 64 bits&period;
|===


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