SparseList<E extends Object> class
Sparse list based on the grouped range lists.
- Mixed in types
-
- ListMixin<
E?>
- ListMixin<
- Implementers
- Available Extensions
Constructors
- SparseList({E? defaultValue, bool equals(E? e1, E? e2)?})
- SparseList.fixed(int _length, {E? defaultValue, bool equals(E? e1, E? e2)?})
Properties
- defaultValue → E?
-
final
- end → int?
-
Returns the 'end' value from the last group (if available); otherwise null.
no setter
- first ↔ E?
-
The first element.
getter/setter pairinherited
- frozen → bool
-
Returns true if the list is frozen; otherwise false.
no setter
- groupCount → int
-
Returns the number of groups.
no setter
-
groups
→ List<
GroupedRangeList< E> > -
Returns a read-only list of the groups.
no setter
- 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<
E?> -
A new
Iterator
that allows iterating the elements of thisIterable
.no setterinherited - last ↔ E?
-
The last element.
getter/setter pairinherited
- length ↔ int
-
Returns the length of list.
getter/setter pairoverride
-
reversed
→ Iterable<
E?> -
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 → E?
-
Checks that this iterable has only one element, and returns that element.
no setterinherited
- start → int?
-
Returns the 'start' value from the first group (if available); otherwise
null.
no setter
Methods
-
add(
E? element) → void -
Adds
value
to the end of this list, extending the length by one.inherited -
addAll(
Iterable< E?> iterable) → void -
Appends all objects of
iterable
to the end of this list.inherited -
addGroup(
GroupedRangeList< E> group) → void -
Sets the values in accordance with the specified
group
and increases (if required) the length up to (range.end + 1). -
any(
bool test(E? element)) → bool -
Checks whether any element of this iterable satisfies
test
.inherited -
asMap(
) → Map< int, E?> -
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 -
elementAt(
int index) → E? -
Returns the
index
th element.inherited -
every(
bool test(E? element)) → bool -
Checks whether every element of this iterable satisfies
test
.inherited -
expand<
T> (Iterable< T> f(E? element)) → Iterable<T> -
Expands each element of this Iterable into zero or more elements.
inherited
-
fillRange(
int start, int end, [E? fill]) → void -
Overwrites a range of elements with
fillValue
.inherited -
firstWhere(
bool test(E? element), {E? orElse()?}) → E? -
The first element that satisfies the given predicate
test
.inherited -
fold<
T> (T initialValue, T combine(T previousValue, E? element)) → T -
Reduces a collection to a single value by iteratively combining each
element of the collection with an existing value
inherited
-
followedBy(
Iterable< E?> other) → Iterable<E?> -
Creates the lazy concatenation of this iterable and
other
.inherited -
forEach(
void action(E? element)) → void -
Invokes
action
on each element of this iterable in iteration order.inherited -
freeze(
) → void - Makes the list unmodifiable.
-
getAlignedGroups(
RangeList range) → List< GroupedRangeList< E?> > -
Returns all groups that intersects with the specified
range
which being expanded (with default value) or shrunk to specifiedrange
. -
getAllSpace(
RangeList range) → List< GroupedRangeList< E?> > -
Returns all space as groups (including synthetic groups with default
values from not filled space) that intersects with the specified
range
which being expanded (with default value) or shrunk to specifiedrange
. -
getGroups(
[RangeList? range]) → Iterable< GroupedRangeList< E> > -
Returns all groups that intersects with the specified
range
. -
getIndexes(
) → Iterable< int> - Returns the indexes of the elements with a value.
-
getRange(
int start, int end) → Iterable< E?> -
Creates an Iterable that iterates over a range of elements.
inherited
-
indexOf(
Object? element, [int start = 0]) → int -
The first index of
element
in this list.inherited -
indexWhere(
bool test(E? element), [int start = 0]) → int -
The first index in the list that satisfies the provided
test
.inherited -
insert(
int index, E? element) → void -
Inserts
element
at positionindex
in this list.inherited -
insertAll(
int index, Iterable< E?> 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(E? element), [int? start]) → int -
The last index in the list that satisfies the provided
test
.inherited -
lastWhere(
bool test(E? element), {E? orElse()?}) → E? -
The last element that satisfies the given predicate
test
.inherited -
map<
T> (T f(E? 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
-
reduce(
E? combine(E? previousValue, E? element)) → E? -
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) → E? -
Removes the object at position
index
from this list.inherited -
removeLast(
) → E? -
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
-
removeValues(
RangeList range) → void - Removes the values in the specified range and decreases (if possible) the length down to (range.start).
-
removeWhere(
bool test(E? element)) → void -
Removes all objects from this list that satisfy
test
.inherited -
replaceRange(
int start, int end, Iterable< E?> newContents) → void -
Replaces a range of elements with the elements of
replacements
.inherited -
resetValues(
RangeList range) → void -
Resets the values in the specified
range
to the default values. -
retainWhere(
bool test(E? element)) → void -
Removes all objects from this list that fail to satisfy
test
.inherited -
setAll(
int index, Iterable< E?> iterable) → void -
Overwrites elements with the objects of
iterable
.inherited -
setGroup(
GroupedRangeList< E> group) → void -
Sets the values in accordance with the specified
group
. -
setRange(
int start, int end, Iterable< E?> iterable, [int skipCount = 0]) → void -
Writes some elements of
iterable
into a range of this list.inherited -
shuffle(
[Random? random]) → void -
Shuffles the elements of this list randomly.
inherited
-
singleWhere(
bool test(E? element), {E? orElse()?}) → E? -
The single element that satisfies
test
.inherited -
skip(
int count) → Iterable< E?> -
Creates an Iterable that provides all but the first
count
elements.inherited -
skipWhile(
bool test(E? element)) → Iterable< E?> -
Creates an
Iterable
that skips leading elements whiletest
is satisfied.inherited -
sort(
[int compare(E? a, E? b)?]) → void -
Sorts this list according to the order specified by the
compare
function.inherited -
sublist(
int start, [int? end]) → List< E?> -
Returns a new list containing the elements between
start
andend
.inherited -
take(
int count) → Iterable< E?> -
Creates a lazy iterable of the
count
first elements of this iterable.inherited -
takeWhile(
bool test(E? element)) → Iterable< E?> -
Creates a lazy iterable of the leading elements satisfying
test
.inherited -
toList(
{bool growable = true}) → List< E?> -
Creates a List containing the elements of this Iterable.
inherited
-
toSet(
) → Set< E?> -
Creates a Set containing the same elements as this iterable.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
trim(
) → void - Sets the length of list equal to the last not empty index + 1; otherwise sets the length to 0.
-
where(
bool test(E? element)) → Iterable< E?> -
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 +(
List< E?> other) → List<E?> -
Returns the concatenation of this list and
other
.inherited -
operator ==(
Object other) → bool -
The equality operator.
inherited
-
operator [](
int index) → E? -
The object at the given
index
in the list.override -
operator []=(
int index, E? value) → void -
Sets the value at the given
index
in the list tovalue
.override