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

Returns the logical negation of `val`.

== Synopsis

Declared in `<absl/numeric/int128.h>`

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

== Return Value

`true` if `val` is zero; `false` otherwise.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *val*
| The operand.
|===


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