[#bsl-bitset-operator_bitnot]
= xref:bsl.adoc[bsl]::xref:bsl/bitset.adoc[bitset]::operator~
:relfileprefix: ../../
:mrdocs:

Toggle all bits of this bitset and return a reference to this modifiable bitset.

== Synopsis

Declared in `<bslstl_bitset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/bitset.adoc[bitset<N>]
operator~() const noexcept;
----


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