[#bitset_detail-IntBitSet-IsSupersetOf]
= xref:bitset_detail.adoc[bitset_detail]::xref:bitset_detail/IntBitSet.adoc[IntBitSet]::IsSupersetOf
:relfileprefix: ../../
:mrdocs:

Check if bitset a is a superset of bitset b (= every 1 bit in b is also in a).

== Synopsis

Declared in `<util/bitset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
bool
IsSupersetOf(xref:bitset_detail/IntBitSet.adoc[IntBitSet] const& a) const noexcept;
----

== Return Value

true if this bitset contains every bit set in a.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The candidate subset.
|===


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