[#absl-operator_bitnot-018]
= xref:absl.adoc[absl]::operator&#126;
:relfileprefix: ../
:mrdocs:

Computes the complement of a character set&period;

== Synopsis

Declared in `&lt;absl&sol;strings&sol;charset&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:absl/CharSet.adoc[CharSet]
operator&#126;(xref:absl/CharSet.adoc[CharSet] const& a);
----

== Return Value

A set containing every character not present in `a`&period;

== Parameters

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


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