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

A bitset implementation backed by N integers of type I.

== Synopsis

Declared in `<util/bitset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename I,
    unsigned int N>
class MultiIntBitSet;
----

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bitset_detail/MultiIntBitSet/2constructor-08.adoc[`MultiIntBitSet`]         [.small]#[constructor]#
| Constructors
| xref:bitset_detail/MultiIntBitSet/operator_assign-0d0.adoc[`operator=`] 
| Assignment operators
| xref:bitset_detail/MultiIntBitSet/Any.adoc[`Any`] 
| Check if any bits are 1.
| xref:bitset_detail/MultiIntBitSet/Count.adoc[`Count`] 
| Compute the number of 1 bits in the bitset.
| xref:bitset_detail/MultiIntBitSet/First.adoc[`First`] 
| Find the first element (requires Any()).
| xref:bitset_detail/MultiIntBitSet/IsSubsetOf.adoc[`IsSubsetOf`] 
| Check if bitset a is a subset of bitset b (= every 1 bit in a is also in b).
| xref:bitset_detail/MultiIntBitSet/IsSupersetOf.adoc[`IsSupersetOf`] 
| Check if bitset a is a superset of bitset b (= every 1 bit in b is also in a).
| xref:bitset_detail/MultiIntBitSet/Last.adoc[`Last`] 
| Find the last element (requires Any()).
| xref:bitset_detail/MultiIntBitSet/None.adoc[`None`] 
| Check if all bits are 0.
| xref:bitset_detail/MultiIntBitSet/Overlaps.adoc[`Overlaps`] 
| Check whether the intersection between two sets is non‐empty.
| xref:bitset_detail/MultiIntBitSet/Reset.adoc[`Reset`] 
| Set a bit to 0.
| xref:bitset_detail/MultiIntBitSet/Set-06.adoc[`Set`] 
| `Set` overloads
| xref:bitset_detail/MultiIntBitSet/begin.adoc[`begin`] 
| Return an object that iterates over all 1 bits (++ and * only allowed when != end()).
| xref:bitset_detail/MultiIntBitSet/end.adoc[`end`] 
| Return a dummy object to compare Iterators with.
| xref:bitset_detail/MultiIntBitSet/operator_and_eq.adoc[`operator&=`] 
| Set this object's bits to be the binary AND between respective bits from this and a.
| xref:bitset_detail/MultiIntBitSet/operator_minus_eq.adoc[`operator‐=`] 
| Set this object's bits to be the binary AND NOT between respective bits from this and a.
| xref:bitset_detail/MultiIntBitSet/operator_subs.adoc[`operator[]`] 
| Retrieve a bit at the given position.
| xref:bitset_detail/MultiIntBitSet/operator_xor_eq.adoc[`operatorˆ=`] 
| Set this object's bits to be the binary XOR between respective bits from this and a.
| xref:bitset_detail/MultiIntBitSet/operator_or_eq.adoc[`operator|=`] 
| Set this object's bits to be the binary OR between respective bits from this and a.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:bitset_detail/MultiIntBitSet/Fill.adoc[`Fill`] 
| Construct a bitset with bits 0..count‐1 (inclusive) set to 1.
| xref:bitset_detail/MultiIntBitSet/Singleton.adoc[`Singleton`] 
| Construct a bitset with the singleton pos.
| xref:bitset_detail/MultiIntBitSet/Size.adoc[`Size`] 
| Return the number of bits that this object holds.
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `xref:bitset_detail/swap-06.adoc[bitset_detail::swap]`
| Swap two bitsets.
| `xref:bitset_detail/operator_eq-0f.adoc[bitset_detail::operator==]`
| Check if bitset a and bitset b are identical.
| `xref:bitset_detail/operator_xor-02.adoc[bitset_detail::operatorˆ]`
| Return an object with the binary XOR between respective bits from a and b.
| `xref:bitset_detail/operator_minus-02.adoc[bitset_detail::operator‐]`
| Return an object with the binary AND NOT between respective bits from a and b.
| `xref:bitset_detail/operator_bitor-07.adoc[bitset_detail::operator|]`
| Return an object with the binary OR between respective bits from a and b.
| `xref:bitset_detail/operator_bitand-07.adoc[bitset_detail::operator&]`
| Return an object with the binary AND between respective bits from a and b.
|===


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