[#bsl-bitset-operator_rshift_eq]
= xref:bsl.adoc[bsl]::xref:bsl/bitset.adoc[bitset]::operator>>=
:relfileprefix: ../../
:mrdocs:

Shift the bits of this bitset right (towards the least significant bit) by the specified `pos` and return a reference to this modifiable bitset. For all bits with position I where `I > N ‐ pos`, the new value is 0. The behavior is undefined unless `pos <= N`.

== Synopsis

Declared in `<bslstl_bitset.h>`

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


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