Scala Library
scala.collection.mutable

class BitSet
[source: scala/collection/mutable/BitSet.scala]
@serializable

class BitSet(initSize : Int)
extends BitSet with Set[Int]
The class BitSet implements mutable, resizable Bit sets
Author
Burak Emir, Nikolay Mihaylov
Version
1.1
Parameters
initSize: - initial size in bits
Additional Constructor Summary
def this : BitSet
default constructor, initial size of 512 bits.
Value Summary
protected var arr : Array[Int]
var capacity : Int
var size : Int
number of bits in this bitset
Method Summary
def += (i : Int) : Unit
Sets i-th bit to true. No restriction on i
def -= (i : Int) : Unit
Clears the i-th bit.
override def clear : Unit
Clears all bits of the set.
override def clone : BitSet
Return a clone of this set.
def ensureCapacity (n : Int) : Unit
Ensures that this bitset can store at least n bits.
def toImmutable : BitSet
Methods inherited from Set
update, +=, ++=, ++=, +, +, ++, ++, incl, -=, --=, --=, -, -, --, --, excl, intersect, retain, <<, readOnly
Methods inherited from BitSet
contains, elements, equals, hashCode, subsetOf, memsize, nbits, offset, mask, underlying, stringPrefix
Methods inherited from Set
apply, isEmpty, *, **, toArray
Methods inherited from Collection
toString
Methods inherited from Iterable
concat, ++, map, flatMap, filter, partition, takeWhile, dropWhile, take, drop, foreach, forall, exists, find, findIndexOf, indexOf, foldLeft, foldRight, /:, :\, reduceLeft, reduceRight, copyToBuffer, sameElements, toList, toSeq, toStream, mkString, mkString, mkString, addString, addString, addString, copyToArray, projection, hasDefiniteSize
Methods inherited from Function1
compose, andThen
Methods inherited from AnyRef
getClass, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized
Methods inherited from Any
==, !=, isInstanceOf, asInstanceOf
Additional Constructor Details
def this : BitSet
default constructor, initial size of 512 bits.
Value Details
var size : Int
number of bits in this bitset
Overrides
BitSet.size
var capacity : Int
Overrides
BitSet.capacity
protected var arr : Array[Int]
Overrides
BitSet.arr
Method Details
def ensureCapacity(n : Int) : Unit
Ensures that this bitset can store at least n bits.
Parameters
n - ...
def +=(i : Int) : Unit
Sets i-th bit to true. No restriction on i
Overrides
Set.+=
def -=(i : Int) : Unit
Clears the i-th bit.
Parameters
i - the i-th element of the bit set.
Overrides
Set.-=
override def clear : Unit
Clears all bits of the set.
Overrides
Set.clear
def toImmutable : BitSet
override def clone : BitSet
Return a clone of this set.
Returns
a set with the same elements.
Overrides
Set.clone
Scala Library