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List class - dart:core library

An indexable collection of objects with a length.

Subclasses of this class implement different kinds of lists. The most common kinds of lists are:

Fixed-length list

An error occurs when attempting to use operations that can change the length of the list.
Growable list

Full implementation of the API defined in this class.

The default growable list, as created by [], keeps an internal buffer, and grows that buffer when necessary. This guarantees that a sequence of add operations will each execute in amortized constant time. Setting the length directly may take time proportional to the new length, and may change the internal capacity so that a following add operation will need to immediately increase the buffer capacity. Other list implementations may have different performance behavior.

Example of fixed-length list:

final fixedLengthList = List<int>.filled(5, 0); // Creates fixed-length list.
print(fixedLengthList); // [0, 0, 0, 0, 0]
fixedLengthList[0] = 87;
fixedLengthList.setAll(1, [1, 2, 3]);
print(fixedLengthList); // [87, 1, 2, 3, 0]
// Fixed length list length can't be changed or increased
fixedLengthList.length = 0;  // Throws
fixedLengthList.add(499);    // Throws

Example of growable list:

final growableList = <String>['A', 'B']; // Creates growable list.

To add data to the growable list, use operator[]=, add or addAll.

growableList[0] = 'G';
print(growableList); // [G, B]
growableList.add('X');
growableList.addAll({'C', 'B'});
print(growableList); // [G, B, X, C, B]

To check whether, and where, the element is in the list, use indexOf or lastIndexOf.

final indexA = growableList.indexOf('A'); // -1 (not in the list)
final firstIndexB = growableList.indexOf('B'); // 1
final lastIndexB = growableList.lastIndexOf('B'); // 4

To remove an element from the growable list, use remove, removeAt, removeLast, removeRange or removeWhere.

growableList.remove('C');
growableList.removeLast();
print(growableList); // [G, B, X]

To insert an element at position in the list, use insert or insertAll.

growableList.insert(1, 'New');
print(growableList); // [G, New, B, X]

To replace a range of elements in the list, use fillRange, replaceRange or setRange.

growableList.replaceRange(0, 2, ['AB', 'A']);
print(growableList); // [AB, A, B, X]
growableList.fillRange(2, 4, 'F');
print(growableList); // [AB, A, F, F]

To sort the elements of the list, use sort.

growableList.sort((a, b) => a.compareTo(b));
print(growableList); // [A, AB, F, F]

To shuffle the elements of this list randomly, use shuffle.

growableList.shuffle();
print(growableList); // e.g. [AB, F, A, F]

To find the first element satisfying some predicate, or give a default value if none do, use firstWhere.

bool isVowel(String char) => char.length == 1 && "AEIOU".contains(char);
final firstVowel = growableList.firstWhere(isVowel, orElse: () => ''); // ''

There are similar lastWhere and singleWhere methods.

A list is an Iterable and supports all its methods, including where, map, whereType and toList.

Lists are Iterable. Iteration occurs over values in index order. Changing the values does not affect iteration, but changing the valid indices—that is, changing the list's length—between iteration steps causes a ConcurrentModificationError. This means that only growable lists can throw ConcurrentModificationError. If the length changes temporarily and is restored before continuing the iteration, the iterator might not detect it.

It is generally not allowed to modify the list's length (adding or removing elements) while an operation on the list is being performed, for example during a call to forEach or sort. Changing the list's length while it is being iterated, either by iterating it directly or through iterating an Iterable that is backed by the list, will break the iteration.

Implemented types

Iterable<E>

Implementers

Available extensions

Constructors

List.empty({bool growable = false}): Creates a new empty list.
factory
List.filled(int length, E fill, {bool growable = false}): Creates a list of the given length with fill at each position.
factory
List.from(Iterable elements, {bool growable = true}): Creates a list containing all elements.
factory
List.generate(int length, E generator(int index), {bool growable = true}): Generates a list of values.
factory
List.of(Iterable<E> elements, {bool growable = true}): Creates a list from elements.
factory
List.unmodifiable(Iterable elements): Creates an unmodifiable list containing all elements.
factory

Properties

average → double

Available on Iterable<int>, provided by the IterableIntegerExtension extension

The arithmetic mean of the elements of a non-empty iterable.

no setter

average → double

Available on Iterable<num>, provided by the IterableNumberExtension extension

The arithmetic mean of the elements of a non-empty iterable.

no setter

first ↔ E

The first element.

getter/setter pairinherited-getter

firstOrNull → T?

Available on Iterable<T>, provided by the IterableExtension extension

The first element, or null if the iterable is empty.

no setter

firstOrNull → T?

Available on Iterable<T>, provided by the IterableExtensions extension

The first element of this iterator, or null if the iterable is empty.

no setter

flattened → Iterable<T>

Available on Iterable<Iterable<T>>, provided by the IterableIterableExtension extension

The sequential elements of each iterable in this iterable.

no setter

flattenedToList → List<T>

Available on Iterable<Iterable<T>>, provided by the IterableIterableExtension extension

The sequential elements of each iterable in this iterable.

no setter

flattenedToSet → Set<T>

Available on Iterable<Iterable<T>>, provided by the IterableIterableExtension extension

The unique sequential elements of each iterable in this iterable.

no setter

hashCode → int

The hash code for this object.

no setterinherited

indexed → Iterable<(int, T)>

Available on Iterable<T>, provided by the IterableExtensions extension

Pairs of elements of the indices and elements of this iterable.

no setter

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 this Iterable.

no setterinherited

last ↔ E

The last element.

getter/setter pairinherited-getter

lastOrNull → T?

Available on Iterable<T>, provided by the IterableExtension extension

The last element, or null if the iterable is empty.

no setter

lastOrNull → T?

Available on Iterable<T>, provided by the IterableExtensions extension

The last element of this iterable, or null if the iterable is empty.

no setter

length ↔ int

The number of objects in this list.

getter/setter pairoverride-getter

max → num

Available on Iterable<num>, provided by the IterableNumberExtension extension

A maximal element of the iterable.

no setter

max → T

Available on Iterable<T>, provided by the IterableComparableExtension extension

A maximal element of the iterable.

no setter

max → double

Available on Iterable<double>, provided by the IterableDoubleExtension extension

A maximal element of the iterable.

no setter

max → int

Available on Iterable<int>, provided by the IterableIntegerExtension extension

A maximal element of the iterable.

no setter

maxOrNull → int?

Available on Iterable<int>, provided by the IterableIntegerExtension extension

A maximal element of the iterable, or null if the iterable is empty.

no setter

maxOrNull → double?

Available on Iterable<double>, provided by the IterableDoubleExtension extension

A maximal element of the iterable, or null if the iterable is empty.

no setter

maxOrNull → T?

Available on Iterable<T>, provided by the IterableComparableExtension extension

A maximal element of the iterable, or null if the iterable is empty.

no setter

maxOrNull → num?

Available on Iterable<num>, provided by the IterableNumberExtension extension

A maximal element of the iterable, or null if the iterable is empty.

no setter

min → num

Available on Iterable<num>, provided by the IterableNumberExtension extension

A minimal element of the iterable.

no setter

min → double

Available on Iterable<double>, provided by the IterableDoubleExtension extension

A minimal element of the iterable.

no setter

min → int

Available on Iterable<int>, provided by the IterableIntegerExtension extension

A minimal element of the iterable.

no setter

min → T

Available on Iterable<T>, provided by the IterableComparableExtension extension

A minimal element of the iterable.

no setter

minOrNull → num?

Available on Iterable<num>, provided by the IterableNumberExtension extension

A minimal element of the iterable, or null it the iterable is empty.

no setter

minOrNull → T?

Available on Iterable<T>, provided by the IterableComparableExtension extension

A minimal element of the iterable, or null it the iterable is empty.

no setter

minOrNull → int?

Available on Iterable<int>, provided by the IterableIntegerExtension extension

A minimal element of the iterable, or null it the iterable is empty.

no setter

minOrNull → double?

Available on Iterable<double>, provided by the IterableDoubleExtension extension

A minimal element of the iterable, or null it the iterable is empty.

no setter

nonNulls → Iterable<T>

Available on Iterable<T?>, provided by the NullableIterableExtensions extension

The non-null elements of this iterable.

no setter

reversed → Iterable<E>

An Iterable of the objects in this list in reverse order.

no setter

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

singleOrNull → T?

Available on Iterable<T>, provided by the IterableExtensions extension

The single element of this iterator, or null.

no setter

singleOrNull → T?

Available on Iterable<T>, provided by the IterableExtension extension

The single element of the iterable, or null.

no setter

sum → double

Available on Iterable<double>, provided by the IterableDoubleExtension extension

The sum of the elements.

no setter

sum → num

Available on Iterable<num>, provided by the IterableNumberExtension extension

The sum of the elements.

no setter

sum → int

Available on Iterable<int>, provided by the IterableIntegerExtension extension

The sum of the elements.

no setter

toJS → JSArray<T>

Available on List<T>, provided by the ListToJSArray extension

Converts this List to a JSArray by either casting, unwrapping, or cloning the List.

no setter

toJSProxyOrRef → JSArray<T>

Available on List<T>, provided by the ListToJSArray extension

Converts this List to a JSArray by either casting, unwrapping, or proxying the List.

no setter

wait → Future<List<T>>

Available on Iterable<Future<T>>, provided by the FutureIterable extension

Waits for futures in parallel.

no setter

Methods

add(E value) → void: Adds value to the end of this list, extending the length by one.
addAll(Iterable<E> iterable) → void: Appends all objects of iterable to the end of this list.
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.
asNameMap() → Map<String, T>: Available on Iterable<T>, provided by the EnumByName extension
Creates a map from the names of enum values to the values.
binarySearch(E element, int compare(E, E)) → int: Available on List<E>, provided by the ListExtensions extension
Returns the index of element in this sorted list.
binarySearch(E element, [int compare(E, E)?]) → int: Available on List<E>, provided by the ListComparableExtensions extension
Returns the index of element in this sorted list.
binarySearchBy<K extends Comparable<K>>(E element, K keyOf(E element), [int start = 0, int? end]) → int: Available on List<E>, provided by the ListExtensions extension
Returns the index of element in this sorted list.
binarySearchByCompare<K>(E element, K keyOf(E element), int compare(K, K), [int start = 0, int? end]) → int: Available on List<E>, provided by the ListExtensions extension
Returns the index of element in this sorted list.
byName(String name) → T: Available on Iterable<T>, provided by the EnumByName extension
Finds the enum value in this list with name name.
cast<R>() → List<R>: Returns a view of this list as a list of R instances.
override
clear() → void: Removes all objects from this list; the length of the list becomes zero.
contains(Object? element) → bool: Whether the collection contains an element equal to element.
inherited
elementAt(int index) → E: Returns the indexth element.
inherited
elementAtOrNull(int index) → E?: Available on List<E>, provided by the ListExtensions extension
The indexth element, or null if there is no such element.
elementAtOrNull(int index) → T?: Available on Iterable<T>, provided by the IterableExtension extension
The indexth element, or null if there is no such element.
elementAtOrNull(int index) → T?: Available on Iterable<T>, provided by the IterableExtensions extension
The element at position index of this iterable, or null.
equals(List<E> other, [Equality<E> equality = const DefaultEquality()]) → bool: Available on List<E>, provided by the ListExtensions extension
Whether other has the same elements as this list.
every(bool test(E element)) → bool: Checks whether every element of this iterable satisfies test.
inherited
expand<T>(Iterable<T> toElements(E element)) → Iterable<T>: Expands each element of this Iterable into zero or more elements.
inherited
expandIndexed<R>(Iterable<R> expand(int index, E element)) → Iterable<R>: Available on List<E>, provided by the ListExtensions extension
Expands each element and index to a number of elements in a new iterable.
expandIndexed<R>(Iterable<R> expand(int index, T element)) → Iterable<R>: Available on Iterable<T>, provided by the IterableExtension extension
Expands each element and index to a number of elements in a new iterable.
fillRange(int start, int end, [E? fillValue]) → void: Overwrites a range of elements with fillValue.
firstWhere(bool test(E element), {E orElse()?}) → E: The first element that satisfies the given predicate test.
inherited
firstWhereIndexedOrNull(bool test(int index, T element)) → T?: Available on Iterable<T>, provided by the IterableExtension extension
The first element whose value and index satisfies test.
firstWhereOrNull(bool test(T element)) → T?: Available on Iterable<T>, provided by the IterableExtension extension
The first element satisfying test, or null if there are none.
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
foldIndexed<R>(R initialValue, R combine(int index, R previous, T element)) → R: Available on Iterable<T>, provided by the IterableExtension extension
Combine the elements with a value and the current index.
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
forEachIndexed(void action(int index, T element)) → void: Available on Iterable<T>, provided by the IterableExtension extension
Takes an action for each element.
forEachIndexed(void action(int index, E element)) → void: Available on List<E>, provided by the ListExtensions extension
Takes an action for each element.
forEachIndexedWhile(bool action(int index, E element)) → void: Available on List<E>, provided by the ListExtensions extension
Takes an action for each element and index as long as desired.
forEachIndexedWhile(bool action(int index, T element)) → void: Available on Iterable<T>, provided by the IterableExtension extension
Takes an action for each element and index as long as desired.
forEachWhile(bool action(T element)) → void: Available on Iterable<T>, provided by the IterableExtension extension
Takes an action for each element as long as desired.
forEachWhile(bool action(E element)) → void: Available on List<E>, provided by the ListExtensions extension
Takes an action for each element as long as desired.
getRange(int start, int end) → Iterable<E>: Creates an Iterable that iterates over a range of elements.
groupFoldBy<K, G>(K keyOf(T element), G combine(G? previous, T element)) → Map<K, G>: Available on Iterable<T>, provided by the IterableExtension extension
Groups elements by keyOf then folds the elements in each group.
groupListsBy<K>(K keyOf(T element)) → Map<K, List<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Groups elements into lists by keyOf.
groupSetsBy<K>(K keyOf(T element)) → Map<K, Set<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Groups elements into sets by keyOf.
indexOf(E element, [int start = 0]) → int: The first index of element in this list.
indexWhere(bool test(E element), [int start = 0]) → int: The first index in the list that satisfies the provided test.
insert(int index, E element) → void: Inserts element at position index in this list.
insertAll(int index, Iterable<E> iterable) → void: Inserts all objects of iterable at position index in this list.
isSorted([Comparator<T>? compare]) → bool: Available on Iterable<T>, provided by the IterableComparableExtension extension
Whether the elements are sorted by the compare ordering.
isSorted(Comparator<T> compare) → bool: Available on Iterable<T>, provided by the IterableExtension extension
Whether the elements are sorted by the compare ordering.
isSortedBy<K extends Comparable<K>>(K keyOf(T element)) → bool: Available on Iterable<T>, provided by the IterableExtension extension
Whether the elements are sorted by their keyOf property.
isSortedByCompare<K>(K keyOf(T element), Comparator<K> compare) → bool: Available on Iterable<T>, provided by the IterableExtension extension
Whether the elements are compare-sorted by their keyOf property.
join([String separator = ""]) → String: Converts each element to a String and concatenates the strings.
inherited
lastBy<K>(K key(T)) → Map<K, T>: Available on Iterable<T>, provided by the IterableExtension extension
Associates the elements in this by the value returned by key.
lastIndexOf(E element, [int? start]) → int: The last index of element in this list.
lastIndexWhere(bool test(E element), [int? start]) → int: The last index in the list that satisfies the provided test.
lastWhere(bool test(E element), {E orElse()?}) → E: The last element that satisfies the given predicate test.
inherited
lastWhereIndexedOrNull(bool test(int index, T element)) → T?: Available on Iterable<T>, provided by the IterableExtension extension
The last element whose index and value satisfies test.
lastWhereOrNull(bool test(T element)) → T?: Available on Iterable<T>, provided by the IterableExtension extension
The last element satisfying test, or null if there are none.
lowerBound(E element, [int compare(E, E)?]) → int: Available on List<E>, provided by the ListComparableExtensions extension
Returns the index where element should be in this sorted list.
lowerBound(E element, int compare(E, E)) → int: Available on List<E>, provided by the ListExtensions extension
Returns the index where element should be in this sorted list.
lowerBoundBy<K extends Comparable<K>>(E element, K keyOf(E), [int start = 0, int? end]) → int: Available on List<E>, provided by the ListExtensions extension
Returns the index where element should be in this sorted list.
lowerBoundByCompare<K>(E element, K keyOf(E), int compare(K, K), [int start = 0, int? end]) → int: Available on List<E>, provided by the ListExtensions extension
Returns the index where element should be in this sorted list.
map<T>(T toElement(E e)) → Iterable<T>: The current elements of this iterable modified by toElement.
inherited
mapIndexed<R>(R convert(int index, E element)) → Iterable<R>: Available on List<E>, provided by the ListExtensions extension
Maps each element and its index to a new value.
mapIndexed<R>(R convert(int index, T element)) → Iterable<R>: Available on Iterable<T>, provided by the IterableExtension extension
Maps each element and its index to a new value.
none(bool test(T)) → bool: Available on Iterable<T>, provided by the IterableExtension extension
Whether no element satisfies test.
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
reduce(E combine(E value, E element)) → E: Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
inherited
reduceIndexed(T combine(int index, T previous, T element)) → T: Available on Iterable<T>, provided by the IterableExtension extension
Combine the elements with each other and the current index.
remove(Object? value) → bool: Removes the first occurrence of value from this list.
removeAt(int index) → E: Removes the object at position index from this list.
removeLast() → E: Removes and returns the last object in this list.
removeRange(int start, int end) → void: Removes a range of elements from the list.
removeWhere(bool test(E element)) → void: Removes all objects from this list that satisfy test.
replaceRange(int start, int end, Iterable<E> replacements) → void: Replaces a range of elements with the elements of replacements.
retainWhere(bool test(E element)) → void: Removes all objects from this list that fail to satisfy test.
reverseRange(int start, int end) → void: Available on List<E>, provided by the ListExtensions extension
Reverses the elements in a range of the list.
sample(int count, [Random? random]) → List<T>: Available on Iterable<T>, provided by the IterableExtension extension
Selects count elements at random from this iterable.
setAll(int index, Iterable<E> iterable) → void: Overwrites elements with the objects of iterable.
setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) → void: Writes some elements of iterable into a range of this list.
shuffle([Random? random]) → void: Shuffles the elements of this list randomly.
shuffled([Random? random]) → List<T>: Available on Iterable<T>, provided by the IterableExtension extension
Creates a shuffled list of the elements of the iterable.
shuffleRange(int start, int end, [Random? random]) → void: Available on List<E>, provided by the ListExtensions extension
Shuffle a range of elements.
singleWhere(bool test(E element), {E orElse()?}) → E: The single element that satisfies test.
inherited
singleWhereIndexedOrNull(bool test(int index, T element)) → T?: Available on Iterable<T>, provided by the IterableExtension extension
The single element satisfying test.
singleWhereOrNull(bool test(T element)) → T?: Available on Iterable<T>, provided by the IterableExtension extension
The single element satisfying test.
skip(int count) → Iterable<E>: Creates an Iterable that provides all but the first count elements.
inherited
skipWhile(bool test(E value)) → Iterable<E>: Creates an Iterable that skips leading elements while test is satisfied.
inherited
slice(int start, [int? end]) → ListSlice<E>: Available on List<E>, provided by the ListExtensions extension
A fixed length view of a range of this list.
slices(int length) → Iterable<List<E>>: Available on List<E>, provided by the ListExtensions extension
Contiguous slices of this with the given length.
slices(int length) → Iterable<List<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Contiguous slices of this with the given length.
sort([int compare(E a, E b)?]) → void: Sorts this list according to the order specified by the compare function.
sortBy<K extends Comparable<K>>(K keyOf(E element), [int start = 0, int? end]) → void: Available on List<E>, provided by the ListExtensions extension
Sorts elements by the natural order of their keyOf property.
sortByCompare<K>(K keyOf(E element), int compare(K a, K b), [int start = 0, int? end]) → void: Available on List<E>, provided by the ListExtensions extension
Sorts elements by the compare of their keyOf property.
sorted(Comparator<T> compare) → List<T>: Available on Iterable<T>, provided by the IterableExtension extension
Creates a sorted list of the elements of the iterable.
sorted([Comparator<T>? compare]) → List<T>: Available on Iterable<T>, provided by the IterableComparableExtension extension
Creates a sorted list of the elements of the iterable.
sortedBy<K extends Comparable<K>>(K keyOf(T element)) → List<T>: Available on Iterable<T>, provided by the IterableExtension extension
Creates a sorted list of the elements of the iterable.
sortedByCompare<K>(K keyOf(T element), Comparator<K> compare) → List<T>: Available on Iterable<T>, provided by the IterableExtension extension
Creates a sorted list of the elements of the iterable.
sortRange(int start, int end, int compare(E a, E b)) → void: Available on List<E>, provided by the ListExtensions extension
Sort a range of elements by compare.
sortRange(int start, int end, [int compare(E a, E b)?]) → void: Available on List<E>, provided by the ListComparableExtensions extension
Sort a range of elements by compare.
splitAfter(bool test(T element)) → Iterable<List<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Splits the elements into chunks after some elements.
splitAfterIndexed(bool test(int index, T element)) → Iterable<List<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Splits the elements into chunks after some elements and indices.
splitBefore(bool test(T element)) → Iterable<List<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Splits the elements into chunks before some elements.
splitBeforeIndexed(bool test(int index, T element)) → Iterable<List<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Splits the elements into chunks before some elements and indices.
splitBetween(bool test(T first, T second)) → Iterable<List<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Splits the elements into chunks between some elements.
splitBetweenIndexed(bool test(int index, T first, T second)) → Iterable<List<T>>: Available on Iterable<T>, provided by the IterableExtension extension
Splits the elements into chunks between some elements and indices.
sublist(int start, [int? end]) → List<E>: Returns a new list containing the elements between start and end.
swap(int index1, int index2) → void: Available on List<E>, provided by the ListExtensions extension
Swaps two elements of this list.
take(int count) → Iterable<E>: Creates a lazy iterable of the count first elements of this iterable.
inherited
takeWhile(bool test(E value)) → 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
where(bool test(E element)) → Iterable<E>: Creates a new lazy Iterable with all elements that satisfy the predicate test.
inherited
whereIndexed(bool test(int index, T element)) → Iterable<T>: Available on Iterable<T>, provided by the IterableExtension extension
The elements whose value and index satisfies test.
whereIndexed(bool test(int index, E element)) → Iterable<E>: Available on List<E>, provided by the ListExtensions extension
The elements whose value and index satisfies test.
whereNot(bool test(T element)) → Iterable<T>: Available on Iterable<T>, provided by the IterableExtension extension
The elements that do not satisfy test.
whereNotIndexed(bool test(int index, T element)) → Iterable<T>: Available on Iterable<T>, provided by the IterableExtension extension
The elements whose value and index do not satisfy test.
whereNotIndexed(bool test(int index, E element)) → Iterable<E>: Available on List<E>, provided by the ListExtensions extension
The elements whose value and index do not satisfy test.
whereNotNull() → Iterable<T>: Available on Iterable<T?>, provided by the IterableNullableExtension extension
The non-null elements of this Iterable.
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.
operator ==(Object other) → bool: Whether this list is equal to other.
override
operator [](int index) → E: The object at the given index in the list.
operator []=(int index, E value) → void: Sets the value at the given index in the list to value.

Static Methods

castFrom<S, T>(List<S> source) → List<T>: Adapts source to be a List<T>.
override
copyRange<T>(List<T> target, int at, List<T> source, [int? start, int? end]) → void: Copy a range of one list into another list.
writeIterable<T>(List<T> target, int at, Iterable<T> source) → void: Write the elements of an iterable into a list.

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