[#operator_eq-050]
= operator&equals;&equals;
:mrdocs:

Tests whether a big integer equals a 64&hyphen;bit value&period;

== Synopsis

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

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

== Return Value

True if `a` equals `b,` otherwise false&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The big integer operand&period;
| *b*
| The 64&hyphen;bit operand&period;
|===


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