ListBeacon<E> class

Inheritance
Implemented types
Available extensions

Constructors

ListBeacon(List<E>? value)

Properties

first ↔ E
The first element.
getter/setter pairoverride
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
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 setteroverride
isNotEmpty → bool
Whether this collection has at least one element.
no setteroverride
isNullable → bool
no setterinherited
iterator → Iterator<E>
A new Iterator that allows iterating the elements of this Iterable.
no setteroverride
last ↔ E
The last element.
getter/setter pairoverride
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
listeners → Listerners
finalinherited
nonNulls → Iterable<T>

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

The non-null elements of this iterable.
no setter
previousValue → List<E>?
no setterinherited
reversed → Iterable<E>
An Iterable of the objects in this list in reverse order.
no setteroverride
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 setteroverride
singleOrNull → T?

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

The single element of this iterator, or null.
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
value ↔ List<E>
getter/setter pairinherited
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.
override
addAll(Iterable<E> iterable) → void
Appends all objects of iterable to the end of this list.
override
any(bool test(E element)) → bool
Checks whether any element of this iterable satisfies test.
override
asMap() → Map<int, E>
An unmodifiable Map view of this list.
override
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.
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.
override
contains(Object? element) → bool
Whether the collection contains an element equal to element.
override
dispose() → void
Clears all registered listeners and reset the beacon to its initial state.
inherited
elementAt(int index) → E
Returns the indexth element.
override
elementAtOrNull(int index) → T?

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

The element at position index of this iterable, or null.
every(bool test(E element)) → bool
Checks whether every element of this iterable satisfies test.
override
expand<T>(Iterable<T> toElements(E element)) → Iterable<T>
Expands each element of this Iterable into zero or more elements.
override
fillRange(int start, int end, [E? fillValue]) → void
Overwrites a range of elements with fillValue.
override
firstWhere(bool test(E element), {E orElse()?}) → E
The first element that satisfies the given predicate test.
override
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
override
followedBy(Iterable<E> other) → Iterable<E>
Creates the lazy concatenation of this iterable and other.
override
forEach(void action(E element)) → void
Invokes action on each element of this iterable in iteration order.
override
getRange(int start, int end) → Iterable<E>
Creates an Iterable that iterates over a range of elements.
override
indexOf(E element, [int start = 0]) → int
The first index of element in this list.
override
indexWhere(bool test(E element), [int start = 0]) → int
The first index in the list that satisfies the provided test.
override
insert(int index, E element) → void
Inserts element at position index in this list.
override
insertAll(int index, Iterable<E> iterable) → void
Inserts all objects of iterable at position index in this list.
override
join([String separator = ""]) → String
Converts each element to a String and concatenates the strings.
override
lastIndexOf(E element, [int? start]) → int
The last index of element in this list.
override
lastIndexWhere(bool test(E element), [int? start]) → int
The last index in the list that satisfies the provided test.
override
lastWhere(bool test(E element), {E orElse()?}) → E
The last element that satisfies the given predicate test.
override
map<T>(T toElement(E e)) → Iterable<T>
The current elements of this iterable modified by toElement.
override
mapInPlace(E toElement(E)) → void
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
peek() → List<E>
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.
override
remove(Object? value) → bool
Removes the first occurrence of value from this list.
override
removeAt(int index) → E
Removes the object at position index from this list.
override
removeLast() → E
Removes and returns the last object in this list.
override
removeRange(int start, int end) → void
Removes a range of elements from the list.
override
removeWhere(bool test(E element)) → void
Removes all objects from this list that satisfy test.
override
replaceRange(int start, int end, Iterable<E> replacements) → void
Replaces a range of elements with the elements of replacements.
override
reset() → void
Set the beacon to its initial value and notify all listeners
inherited
retainWhere(bool test(E element)) → void
Removes all objects from this list that fail to satisfy test.
override
set(List<E> newValue, {bool force = false}) → void
inherited
setAll(int index, Iterable<E> iterable) → void
Overwrites elements with the objects of iterable.
override
setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) → void
Writes some elements of iterable into a range of this list.
override
shuffle([Random? random]) → void
Shuffles the elements of this list randomly.
override
singleWhere(bool test(E element), {E orElse()?}) → E
The single element that satisfies test.
override
skip(int count) → Iterable<E>
Creates an Iterable that provides all but the first count elements.
override
skipWhile(bool test(E value)) → Iterable<E>
Creates an Iterable that skips leading elements while test is satisfied.
override
sort([int compare(E a, E b)?]) → void
Sorts this list according to the order specified by the compare function.
override
sublist(int start, [int? end]) → List<E>
Returns a new list containing the elements between start and end.
override
subscribe(void callback(List<E>), {bool startNow = false}) → VoidCallback
Subscribes to changes in the beacon returns a function that can be called to unsubscribe
inherited
take(int count) → Iterable<E>
Creates a lazy iterable of the count first elements of this iterable.
override
takeWhile(bool test(E value)) → Iterable<E>
Creates a lazy iterable of the leading elements satisfying test.
override
toBeacon() → ListBeacon<T>

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

Converts a list to ListBeacon.
toList({bool growable = true}) → List<E>
Creates a List containing the elements of this Iterable.
override
toSet() → Set<E>
Creates a Set containing the same elements as this iterable.
override
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.
override
whereType<T>() → Iterable<T>
Creates a new lazy Iterable with all elements that have type T.
override
wrap<U>(ReadableBeacon<U> target, {dynamic then(WritableBeacon<List<E>> p1, U p2)?, bool startNow = true}) → WritableBeacon<List<E>>
Wraps a ReadableBeacon and comsumes its values
inherited

Operators

operator +(List<E> other) → List<E>
Returns the concatenation of this list and other.
override
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 to value.
override