SetSignal<E> class

A Signal that holds a Set.

Inheritance
Implemented types
Mixed-in types
Available extensions

Constructors

SetSignal.new(Set<E> value, {String? debugLabel, bool autoDispose = false})
Creates a SetSignal with the given value.

Properties

autoDispose bool
Throws and error if read after dispose and can be disposed on last unsubscribe.
getter/setter pairinherited
brand Symbol
finalinherited
debugLabel String?
Debug label for Debug Mode
finalinherited
disposed bool
Check if the effect is disposed
getter/setter pairinherited
equalityCheck bool Function(Set<E> a, Set<E> b)
Optional method to check if to values are the same
getter/setter pairinherited
first → E
The first element.
no setterinherited
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
globalId int
Global ID of the signal
finalinherited
hashCode int
The hash code for this object.
no setteroverride
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
internalValue Set<E>
getter/setter pairinherited
isEmpty bool
Whether this collection has no elements.
no setterinherited
isInitialized bool
Check if the value is set and not a lazy signal
getter/setter pairinherited
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.
no setterinherited
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 elements in this Iterable.
no setterinherited
node ↔ Node?
getter/setter pairinherited
nonNulls Iterable<T>

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

The non-null elements of this iterable.
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
targets ↔ Node?
getter/setter pairinherited
value Set<E>
Compute the current value
getter/setter pairinherited
version int
Version numbers should always be >= 0, because the special value -1 is used by Nodes to signify potentially unused but recyclable nodes.
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) bool
Adds value to the set.
inherited
addAll(Iterable<E> elements) → void
Adds all elements to this set.
inherited
afterCreate(Set<E> val) → void
Internal hook for after a signal is created
inherited
any(bool test(E element)) bool
Checks whether any element of this iterable satisfies test.
inherited
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.
beforeUpdate(Set<E> val) → void
Internal hook for after a signal is updated
inherited
byName(String name) → T

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

Finds the enum value in this list with name name.
call() Set<E>
Return the value when invoked
inherited
cast<R>() Set<R>
Provides a view of this set as a set of R instances.
inherited
clear() → void
Removes all elements from the set.
inherited
contains(Object? value) bool
Whether the collection contains an element equal to element.
inherited
containsAll(Iterable<Object?> other) bool
Whether this set contains all the elements of other.
inherited
difference(Set<Object?> other) Set<E>
Creates a new set with the elements of this that are not in other.
inherited
dispose() → void
Dispose the signal
inherited
elementAt(int index) → E
Returns the indexth element.
inherited
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.
inherited
expand<R>(Iterable<R> toElements(E element)) Iterable<R>
Expands each element of this Iterable into zero or more elements.
inherited
firstWhere(bool test(E element), {E orElse()?}) → E
The first element that satisfies the given predicate test.
inherited
fold<R>(R initialValue, R combine(R previousValue, E element)) → R
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
get() Set<E>
Helper method to get the current value
inherited
internalRefresh() bool
inherited
internalSetValue(Set<E> val) → void
inherited
intersection(Set<Object?> other) Set<E>
Creates a new set which is the intersection between this set and other.
inherited
join([String separator = ""]) String
Converts each element to a String and concatenates the strings.
inherited
lastWhere(bool test(E element), {E orElse()?}) → E
The last element that satisfies the given predicate test.
inherited
lookup(Object? object) → E?
If an object equal to object is in the set, return it.
inherited
map<R>(R toElement(E e)) Iterable<R>
The current elements of this iterable modified by toElement.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
onDispose(void cleanup()) EffectCleanup
Add a cleanup function to be called when the signal is disposed
inherited
overrideWith(Set<E> val) Signal<Set<E>>
Override the current signal with a new value as if it was created with it
inherited
peek() Set<E>
In the rare instance that you have an effect that should write to another signal based on the previous value, but you don't want the effect to be subscribed to that signal, you can read a signals's previous value via signal.peek().
inherited
readonly() ReadonlySignal<Set<E>>
Returns a readonly signal
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
remove(Object? value) bool
Removes value from the set.
inherited
removeAll(Iterable<Object?> elements) → void
Removes each element of elements from this set.
inherited
removeWhere(bool test(E element)) → void
Removes all elements of this set that satisfy test.
inherited
retainAll(Iterable<Object?> elements) → void
Removes all elements of this set that are not elements in elements.
inherited
retainWhere(bool test(E element)) → void
Removes all elements of this set that fail to satisfy test.
inherited
set(Set<E> val, {bool force = false}) bool
Set the current value by a method
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 value)) Iterable<E>
Creates an Iterable that skips leading elements while test is satisfied.
inherited
subscribe(void fn(Set<E> value)) → void Function()
Subscribe to value changes with a dispose function
inherited
subscribeToNode(Node node) → void
inherited
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
toJson() → dynamic
Convert value to JSON
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
toSignal({String? debugLabel, bool autoDispose = false}) SetSignal<T>

Available on Set<T>, provided by the SignalSetUtils extension

Convert an existing list to SetSignal
toSignal({String? debugLabel, bool autoDispose = false}) IterableSignal<T>

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

Convert an existing list to IterableSignal
toString() String
A string representation of this object.
inherited
union(Set<E> other) Set<E>
Creates a new set which contains all the elements of this set and other.
inherited
unsubscribeFromNode(Node node) → void
inherited
where(bool test(E element)) Iterable<E>
Creates a new lazy Iterable with all elements that satisfy the predicate test.
inherited
whereType<R>() Iterable<R>
Creates a new lazy Iterable with all elements that have type T.
inherited

Operators

operator &(Set<E> other) SetSignal<E>
Fork: create a new signal with value is the concatenation of source signal and iterable parameter
operator <<(Set<E> other) SetSignal<E>
Inject: Update current signal value with iterable
operator ==(Object other) bool
The equality operator.
override
operator |(Signal<Iterable<E>> other) SetSignal<E>
Pipe: create a new signal by sending value from source to other