SetNotifier<T> class

A set notifier class that allows mutable updates and notifies listeners of changes.

Inheritance
Implemented types
Mixed-in types
Available extensions

Constructors

SetNotifier([Set<T> set = const {}])
Constructs a SetNotifier with an initial set.

Properties

ascending List<double>

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

no setter
ascending List<int>

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

no setter
descending List<int>

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

no setter
descending List<double>

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

no setter
disabled bool

Available on Set<WidgetState>, provided by the WidgetStateExtension extension

no setter
error bool

Available on Set<WidgetState>, provided by the WidgetStateExtension extension

no setter
evens Iterable<int>

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

no setter
first → T
The first element.
no setterinherited
firstOr → T?

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

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
focused bool

Available on Set<WidgetState>, provided by the WidgetStateExtension extension

no setter
hashCode int
The hash code for this object.
no setterinherited
hasListeners bool
Whether the object has listeners.
no setterinherited
hovered bool

Available on Set<WidgetState>, provided by the WidgetStateExtension extension

no setter
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<T>
An iterator that iterates over the elements of this set.
no setteroverride
last → T
The last element.
no setterinherited
lastIndex int

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

Returns the last index of the iterable.
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 elements in this Iterable.
no setteroverride
list List<T>

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

no setter
middleIndex int

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

Returns the middle index of the iterable.
no setter
mostCommon → T?

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

no setter
nonNulls Iterable<T>

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

The non-null elements of this iterable.
no setter
notNull Iterable<T>

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

no setter
odds Iterable<int>

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

no setter
pressed bool

Available on Set<WidgetState>, provided by the WidgetStateExtension extension

no setter
primes Iterable<int>

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

no setter
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
selected bool

Available on Set<WidgetState>, provided by the WidgetStateExtension extension

no setter
set Set<T>

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

no setter
single → T
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
unique Iterable<T>

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

no setter
value Set<T>
The current value of the object. When the value changes, the callbacks registered with addListener will be invoked.
no setteroverride
wait Future<List<T>>

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

Waits for futures in parallel.
no setter

Methods

add(T value) bool
Adds value to the set.
override
add(T element) Iterable<T>

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

addAll(Iterable<T> values) → void
Adds all elements to this set.
override
addAll(Iterable<T> elements) Iterable<T>

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

addAllFirst(Iterable<T> elements) Iterable<T>

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

addChangeListener(SetChangeListener<T> listener) → void
Adds a listener to be notified of changes.
override
addFirst(T element) Iterable<T>

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

addListener(VoidCallback listener) → void
Register a closure to be called when the object notifies its listeners.
override
any(bool test(T element)) bool
Checks whether any element of this iterable satisfies test.
inherited
asKeys<R>(R f(T)) Map<T, R>

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

Returns a new Map where the values are used as keys in a map.
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.
asValues<R>(R f(T)) Map<R, T>

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

Returns a new Map where the values are used as values in a map.
average() double

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

average() double

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

averageInt() int

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

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>() Set<R>
Provides a view of this set as a set of R instances.
override
chunked(int chunkSize) Iterable<List<T>>

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

clear() → void
Removes all elements from the set.
override
column({Key? key, CrossAxisAlignment crossAxisAlignment = CrossAxisAlignment.center, MainAxisAlignment mainAxisAlignment = MainAxisAlignment.start, MainAxisSize mainAxisSize = MainAxisSize.max, VerticalDirection verticalDirection = VerticalDirection.down, TextBaseline textBaseline = TextBaseline.alphabetic, TextDirection textDirection = TextDirection.ltr}) Widget

Available on Iterable<Widget>, provided by the XIterableWidget extension

contains(Object? element) 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.
override
deduplicated() Iterable<T>

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

Returns a new Iterable with deduplicated elements.
deduplicatedList() List<T>

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

Returns a new List with deduplicated elements.
defaultAddListener(ChangeListener listener) → void
Add a listener to the list of listeners.
inherited
defaultNotifyListeners(Object? event) → void
Notify all the listeners.
inherited
defaultRemoveListener(ChangeListener listener) → void
Remove a listener from the list of listeners.
inherited
diff(Iterable<T> other) Iterable<T>

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

difference(Set<Object?> other) Set<T>
Creates a new set with the elements of this that are not in other.
override
dispose() → void
Disposes the object making it unusable for further operations and releasing the resources.
inherited
elementAt(int index) → T
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(T element)) bool
Checks whether every element of this iterable satisfies test.
inherited
expand<T>(Iterable<T> toElements(T element)) Iterable<T>
Expands each element of this Iterable into zero or more elements.
inherited
firstWhere(bool test(T element), {T orElse()?}) → T
The first element that satisfies the given predicate test.
inherited
fold<T>(T initialValue, T combine(T previousValue, T element)) → T
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
inherited
followedBy(Iterable<T> other) Iterable<T>
Creates the lazy concatenation of this iterable and other.
inherited
forEach(void action(T element)) → void
Invokes action on each element of this iterable in iteration order.
inherited
groupBy<M>(M grouper(T)) Map<M, List<T>>

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

intersection(Set<Object?> other) Set<T>
Creates a new set which is the intersection between this set and other.
override
join([String separator = ""]) String
Converts each element to a String and concatenates the strings.
inherited
joinSeparator(T separator) Iterable<T>

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

lastWhere(bool test(T element), {T orElse()?}) → T
The last element that satisfies the given predicate test.
inherited
lookup(Object? object) → T?
If an object equal to object is in the set, return it.
override
map<T>(T toElement(T e)) Iterable<T>
The current elements of this iterable modified by toElement.
inherited
mapIndexed<V>(V f(T value, int index)) Iterable<V>

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

mapList<R>(R f(T)) List<R>

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

Returns a new List with mapped elements.
max() double

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

max() int

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

median() int

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

median() double

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

middleValue() → T?

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

Returns the middle element of the iterable.
min() int

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

min() double

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

mode() int

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

mode() double

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

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners(SetChangeDetails<T> details) → void
Notifies listeners of changes.
occurrences() Map<T, int>

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

Returns a new Map with the number of occurrences of each element.
product() int

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

product() double

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

reduce(T combine(T value, T element)) → T
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
inherited
reduceOr(T or, T combine(T, T)) → T

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

remove(Object? value) bool
Removes value from the set.
override
removeAll(Iterable<Object?> elements) → void
Removes each element of elements from this set.
override
removeChangeListener(SetChangeListener<T> listener) → void
Removes a listener from being notified of changes.
override
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that the object notifies.
override
removeWhere(bool test(T element)) → void
Removes all elements of this set that satisfy test.
override
retainAll(Iterable<Object?> elements) → void
Removes all elements of this set that are not elements in elements.
override
retainWhere(bool test(T element)) → void
Removes all elements of this set that fail to satisfy test.
override
reversed() Iterable<T>

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

Returns a new Iterable with reversed elements.
reversedList() List<T>

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

Returns a new List with reversed elements.
row({Key? key, CrossAxisAlignment crossAxisAlignment = CrossAxisAlignment.center, MainAxisAlignment mainAxisAlignment = MainAxisAlignment.start, MainAxisSize mainAxisSize = MainAxisSize.max, VerticalDirection verticalDirection = VerticalDirection.down, TextBaseline textBaseline = TextBaseline.alphabetic, TextDirection textDirection = TextDirection.ltr}) Widget

Available on Iterable<Widget>, provided by the XIterableWidget extension

select(bool test(T)) → T?

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

selectLast(bool test(T)) → T?

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

shuffled() Iterable<T>

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

Returns a new Iterable with shuffled elements.
shuffledList() List<T>

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

Returns a new List with shuffled elements.
singleWhere(bool test(T element), {T orElse()?}) → T
The single element that satisfies test.
inherited
skip(int n) Iterable<T>

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

skip(int count) Iterable<T>
Creates an Iterable that provides all but the first count elements.
inherited
skipWhile(bool test(T value)) Iterable<T>
Creates an Iterable that skips leading elements while test is satisfied.
inherited
softMap<R>(R? f(T)) Iterable<R>

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

Returns a new Iterable with mapped elements that are not null.
softMapList<R>(R? f(T)) List<R>

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

Returns a new List with mapped elements that are not null.
sorted([int compare(T, T)?]) List<T>

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

Returns a new List with sorted elements.
stack({Key? key, AlignmentGeometry alignment = AlignmentDirectional.topStart, TextDirection textDirection = TextDirection.ltr, StackFit fit = StackFit.loose, Clip clipBehavior = Clip.hardEdge}) Widget

Available on Iterable<Widget>, provided by the XIterableWidget extension

sum() double

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

sum() int

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

take(int count) Iterable<T>
Creates a lazy iterable of the count first elements of this iterable.
inherited
takeWhile(bool test(T value)) Iterable<T>
Creates a lazy iterable of the leading elements satisfying test.
inherited
toList({bool growable = true}) List<T>
Creates a List containing the elements of this Iterable.
inherited
toRect() Rect

Available on Iterable<Offset>, provided by the XIterableOffset extension

toRect() Rect

Available on Iterable<Rect>, provided by the XIterableRect extension

toSet() Set<T>
Creates a Set containing the same elements as this iterable.
inherited
toString() String
A string representation of this object.
override
union(Set<T> other) Set<T>
Creates a new set which contains all the elements of this set and other.
override
wait() Future<List<T>>

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

weave(Iterable<T> other) Iterable<T>

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

Weaves two iterables together into a new Iterable alternating elements.
where(bool test(T element)) Iterable<T>
Creates a new lazy Iterable with all elements that satisfy the predicate test.
inherited
whereIndex(bool test(T value, int index)) Iterable<T>

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

whereType<T>() Iterable<T>
Creates a new lazy Iterable with all elements that have type T.
inherited
withPylons(PylonBuilder builder) List<Widget>

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

Maps each item in this iterable to a Pylon widget using the provided builder, returning a list suitable for use in widget trees.

Operators

operator %(int value) Iterable<double>

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

operator %(int value) Iterable<int>

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

operator &(int value) Iterable<int>

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

operator *(int value) Iterable<double>

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

operator *(int value) Iterable<int>

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

operator +(int value) Iterable<double>

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

operator +(int value) Iterable<int>

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

operator +(T element) Set<T>

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

operator -(int value) Iterable<double>

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

operator -(int value) Iterable<int>

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

operator -(T element) Set<T>

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

operator /(int value) Iterable<double>

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

operator <<(int value) Iterable<int>

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

operator ==(Object other) bool
The equality operator.
inherited
operator >>(int value) Iterable<int>

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

operator ^(int value) Iterable<int>

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

operator unary-() Iterable<double>

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

operator unary-() Iterable<int>

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

operator |(int value) Iterable<int>

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

operator ~() Iterable<int>

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

operator ~/(int value) Iterable<int>

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