BitList class abstract
An space efficient List that stores boolean values.
- Inheritance
- Available Extensions
- BiMapOnIterableExtension
- BitListExtension
- ChunkedIterableExtension
- CombinationsIterableExtension
- CompoundIterableComparator
- CountIterableExtension
- DeepFlattenIterableExtension
- EnumByName
- FlatMapIterableExtension
- GroupIterableExtension
- IndexedIterableExtension
- IndicesIterableExtension
- IterableExtensions
- ListMultimapOnIterableExtension
- ListToJSArray
- MultisetExtension
- NullableIterableExtensions
- OperatorsIterableExtension
- PairwiseIterableExtension
- PartitionIterableExtension
- PermutationComparableListExtension
- PermutationIterableExtension
- PowerSetIterableExtension
- RandomIterableExtension
- RepeatIterableExtension
- RotateListExtension
- SeparatedIterableExtension
- SetMultimapOnIterableExtension
- SortedListIterableExtension
- TakeSkipListExtension
- ToMapIterableExtension
- UniqueIterableExtension
- WindowIterableExtension
Constructors
- BitList(int length, {bool fill = false, bool growable = false})
-
Constructs a bit list of the given
length
.factory - BitList.empty({bool growable = false})
-
Constructs an empty bit list.
factory
- BitList.filled(int length, bool fill, {bool growable = false})
-
Constructs a bit list of the given
length
, and initializes the value at each position withfill
.factory -
BitList.from(Iterable<
bool> other, {bool growable = false}) -
Constructs a new list from a given Iterable of booleans.
factory
- BitList.generate(int length, bool generator(int index), {bool growable = false})
-
Constructs a bit list of the given
length
by calling agenerator
function for each index.factory -
BitList.of(Iterable<
bool> other, {bool growable = false}) -
Constructs a new list from a given Iterable of booleans.
factory
Properties
- buffer → Uint32List
-
The underlying typed buffer of this object.
no setter
- first ↔ bool
-
The first element.
getter/setter pairinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- isEmpty → bool
-
Whether this collection has no elements.
no setterinherited
- isNotEmpty → bool
-
Whether this collection has at least one element.
no setterinherited
-
iterator
→ Iterator<
bool> -
A new
Iterator
that allows iterating the elements of thisIterable
.no setterinherited - last ↔ bool
-
The last element.
getter/setter pairinherited
- length ↔ int
-
The number of objects in this list.
getter/setter pairinherited
-
reversed
→ Iterable<
bool> -
An Iterable of the objects in this list in reverse order.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- single → bool
-
Checks that this iterable has only one element, and returns that element.
no setterinherited
Methods
-
add(
bool element) → void -
Adds
value
to the end of this list, extending the length by one.inherited -
addAll(
Iterable< bool> iterable) → void -
Appends all objects of
iterable
to the end of this list.inherited -
and(
BitList other) → void -
Computes the intersection of the receiver and
other
in-place. -
any(
bool test(bool element)) → bool -
Checks whether any element of this iterable satisfies
test
.inherited -
asMap(
) → Map< int, bool> -
An unmodifiable Map view of this list.
inherited
-
cast<
R> () → List< R> -
Returns a view of this list as a list of
R
instances.inherited -
clear(
) → void -
Removes all objects from this list; the length of the list becomes zero.
inherited
-
contains(
Object? element) → bool -
Whether the collection contains an element equal to
element
.inherited -
count(
{bool expected = true}) → int -
Counts the number of bits set to
expected
. -
countRange(
int start, int end, {bool expected = true}) → int -
Counts the number of bits set to
expected
in the range ofstart
(inclusive) toend
(exclusive). -
difference(
BitList other) → void -
Computes the difference of the receiver and
other
in-place. -
elementAt(
int index) → bool -
Returns the
index
th element.inherited -
every(
bool test(bool element)) → bool -
Checks whether every element of this iterable satisfies
test
.inherited -
expand<
T> (Iterable< T> f(bool element)) → Iterable<T> -
Expands each element of this Iterable into zero or more elements.
inherited
-
fillRange(
int start, int end, [bool? fill]) → void -
Overwrites a range of elements with
fillValue
.override -
firstWhere(
bool test(bool element), {bool orElse()?}) → bool -
The first element that satisfies the given predicate
test
.inherited -
flip(
int index) → void -
Sets the bit at the specified
index
to the complement of its current value. -
flipUnchecked(
int index) → void -
Sets the bit at the specified
index
to the complement of its current value. The behavior is undefined ifindex
is outside of bounds. -
fold<
T> (T initialValue, T combine(T previousValue, bool element)) → T -
Reduces a collection to a single value by iteratively combining each
element of the collection with an existing value
inherited
-
followedBy(
Iterable< bool> other) → Iterable<bool> -
Creates the lazy concatenation of this iterable and
other
.inherited -
forEach(
void action(bool element)) → void -
Invokes
action
on each element of this iterable in iteration order.inherited -
getRange(
int start, int end) → Iterable< bool> -
Creates an Iterable that iterates over a range of elements.
inherited
-
getUnchecked(
int index) → bool -
Returns the value of the bit with the given
index
. The behavior is undefined ifindex
is outside of bounds. -
indexOf(
Object? element, [int start = 0]) → int -
The first index of
element
in this list.inherited -
indexWhere(
bool test(bool element), [int start = 0]) → int -
The first index in the list that satisfies the provided
test
.inherited -
indices(
{bool expected = true}) → Iterable< int> -
Returns an iterable over the indices with the bit set to
expected
. -
insert(
int index, bool element) → void -
Inserts
element
at positionindex
in this list.inherited -
insertAll(
int index, Iterable< bool> iterable) → void -
Inserts all objects of
iterable
at positionindex
in this list.inherited -
join(
[String separator = ""]) → String -
Converts each element to a String and concatenates the strings.
inherited
-
lastIndexOf(
Object? element, [int? start]) → int -
The last index of
element
in this list.inherited -
lastIndexWhere(
bool test(bool element), [int? start]) → int -
The last index in the list that satisfies the provided
test
.inherited -
lastWhere(
bool test(bool element), {bool orElse()?}) → bool -
The last element that satisfies the given predicate
test
.inherited -
map<
T> (T f(bool element)) → Iterable< T> -
The current elements of this iterable modified by
toElement
.inherited -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
not(
) → void - Computes the complement of the receiver in-place.
-
or(
BitList other) → void -
Computes the union of the receiver and
other
in-place. -
reduce(
bool combine(bool previousValue, bool element)) → bool -
Reduces a collection to a single value by iteratively combining elements
of the collection using the provided function.
inherited
-
remove(
Object? element) → bool -
Removes the first occurrence of
value
from this list.inherited -
removeAt(
int index) → bool -
Removes the object at position
index
from this list.inherited -
removeLast(
) → bool -
Removes and returns the last object in this list.
inherited
-
removeRange(
int start, int end) → void -
Removes a range of elements from the list.
inherited
-
removeWhere(
bool test(bool element)) → void -
Removes all objects from this list that satisfy
test
.inherited -
replaceRange(
int start, int end, Iterable< bool> newContents) → void -
Replaces a range of elements with the elements of
replacements
.inherited -
retainWhere(
bool test(bool element)) → void -
Removes all objects from this list that fail to satisfy
test
.inherited -
setAll(
int index, Iterable< bool> iterable) → void -
Overwrites elements with the objects of
iterable
.inherited -
setRange(
int start, int end, Iterable< bool> iterable, [int skipCount = 0]) → void -
Writes some elements of
iterable
into a range of this list.inherited -
setUnchecked(
int index, bool value) → void -
Sets the
value
of the bit with the givenindex
. The behavior is undefined ifindex
is outside of bounds. -
shuffle(
[Random? random]) → void -
Shuffles the elements of this list randomly.
inherited
-
singleWhere(
bool test(bool element), {bool orElse()?}) → bool -
The single element that satisfies
test
.inherited -
skip(
int count) → Iterable< bool> -
Creates an Iterable that provides all but the first
count
elements.inherited -
skipWhile(
bool test(bool element)) → Iterable< bool> -
Creates an
Iterable
that skips leading elements whiletest
is satisfied.inherited -
sort(
[int compare(bool a, bool b)?]) → void -
Sorts this list according to the order specified by the
compare
function.inherited -
sublist(
int start, [int? end]) → List< bool> -
Returns a new list containing the elements between
start
andend
.inherited -
take(
int count) → Iterable< bool> -
Creates a lazy iterable of the
count
first elements of this iterable.inherited -
takeWhile(
bool test(bool element)) → Iterable< bool> -
Creates a lazy iterable of the leading elements satisfying
test
.inherited -
toList(
{bool growable = true}) → List< bool> -
Creates a List containing the elements of this Iterable.
inherited
-
toSet(
) → Set< bool> -
Creates a Set containing the same elements as this iterable.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
where(
bool test(bool element)) → Iterable< bool> -
Creates a new lazy Iterable with all elements that satisfy the
predicate
test
.inherited -
whereType<
T> () → Iterable< T> -
Creates a new lazy Iterable with all elements that have type
T
.inherited
Operators
-
operator &(
BitList other) → BitList -
Returns the intersection of the receiver and
other
. -
operator +(
List< bool> other) → BitList -
Returns the concatenation of this list and
other
.override -
operator -(
BitList other) → BitList -
Returns the difference of the receiver and
other
. -
operator <<(
int amount) → BitList -
Returns a BitList of the same length, but with the bits of the receiver
shifted to the left by
amount
. Throws an ArgumentError ifamount
is negative. -
operator ==(
Object other) → bool -
The equality operator.
inherited
-
operator >>(
int amount) → BitList -
Returns a BitList of the same length, but with the bits of the receiver
shifted to the right by
amount
. Throws an ArgumentError ifamount
is negative. -
operator [](
int index) → bool -
Returns the value of the bit with the given
index
.override -
operator []=(
int index, bool value) → void -
Sets the
value
of the bit with the givenindex
.override -
operator |(
BitList other) → BitList -
Returns the union of the receiver and
other
. -
operator ~(
) → BitList - Returns the complement of the receiver.