[#bsl-bitset-size]
= xref:bsl.adoc[bsl]::xref:bsl/bitset.adoc[bitset]::size
:relfileprefix: ../../
:mrdocs:

Return the number of bits this bitset holds&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;bitset&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
std::size&lowbar;t
size() const noexcept;
----


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