[#base_uint-02-2constructor-0d]
= xref:base_uint-02.adoc[base&lowbar;uint]::base&lowbar;uint
:relfileprefix: ../
:mrdocs:

Constructs a big integer with a value of zero&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
base&lowbar;uint();
----


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