[#bsl-bitset-operator_subs-0a]
= xref:bsl.adoc[bsl]::xref:bsl/bitset.adoc[bitset]::operator[]
:relfileprefix: ../../
:mrdocs:

Return a `reference` to the modifiable bit position at the specified `pos`.

== Synopsis

Declared in `<bslstl_bitset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/bitset/reference.adoc[bitset<N>::reference]
operator[](std::size_t pos);
----


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