[#base_uint-0d-2constructor-06]
= xref:base_uint-0d.adoc[base_uint<256>]::base_uint
:relfileprefix: ../
:mrdocs:

Constructs a big integer with a value of zero.

== Synopsis

Declared in `<arith_uint256.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
base_uint();
----


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