[#absl-operator_not]
= xref:absl.adoc[absl]::operator!
:relfileprefix: ../
:mrdocs:

Returns the logical negation of `val`&period;

== Synopsis

Declared in `&lt;absl&sol;numeric&sol;int128&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
bool
operator!(xref:absl/uint128.adoc[uint128] val);
----

== Return Value

`true` if `val` is zero&semi; `false` otherwise&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *val*
| The operand&period;
|===


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