DelegatingSet<E> class

*<Null safety>*

Implemented types

• Set<E>

Implementers

• EqualitySet
• UnmodifiableSetView

Available Extensions

• IterableComparableExtension
• IterableExtension
• IterableNullableExtension

Constructors

DelegatingSet (Set<E> base)

const

Properties

first → E

Returns the first element. ...
read-only, inherited

hashCode → int

The hash code for this object. ...
read-only, inherited

isEmpty → bool

Returns true if there are no elements in this collection. ...
read-only, inherited

isNotEmpty → bool

Returns true if there is at least one element in this collection. ...
read-only, inherited

iterator → Iterator<E>

Returns a new Iterator that allows iterating the elements of this Iterable. ...
read-only, inherited

last → E

Returns the last element. ...
read-only, inherited

length → int

Returns the number of elements in this. ...
read-only, inherited

runtimeType → Type

A representation of the runtime type of the object.
read-only, inherited

single → E

Checks that this iterable has only one element, and returns that element. ...
read-only, inherited

Methods

add(E value) bool

Adds value to the set. ...
override

addAll(Iterable<E> elements) void

Adds all elements to this Set. ...
override

any(bool test(E)) bool

Checks whether any element of this iterable satisfies test. ...
inherited

cast<T>() Set<T>

Provides a view of this iterable as an iterable of R instances. ...

clear() void

Removes all elements in the set.
override

contains(Object? element) bool

Returns true if the collection contains an element equal to element. ...
inherited

containsAll(Iterable<Object?> other) bool

Returns whether this Set contains all the elements of other.
override

difference(Set<Object?> other) Set<E>

Returns a new set with the elements of this that are not in other. ...
override

elementAt(int index) E

Returns the indexth element. ...
inherited

every(bool test(E)) bool

Checks whether every element of this iterable satisfies test. ...
inherited

expand<T>(Iterable<T> f(E)) Iterable<T>

Expands each element of this Iterable into zero or more elements. ...
inherited

firstWhere(bool test(E), {E orElse()}) E

Returns 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>

Returns the lazy concatentation of this iterable and other. ...
inherited

forEach(void f(E)) void

Applies the function f to each element of this collection in iteration order.
inherited

intersection(Set<Object?> other) Set<E>

Returns 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

lastWhere(bool test(E), {E orElse()}) E

Returns the last element that satisfies the given predicate test. ...
inherited

lookup(Object? element) E?

If an object equal to object is in the set, return it. ...
override

map<T>(T f(E)) Iterable<T>

Returns a new lazy Iterable with elements that are created by calling f on each element of this Iterable in iteration order. ...
inherited

noSuchMethod(Invocation invocation) dynamic

Invoked when a non-existent 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

remove(Object? value) bool

Removes value from the set. Returns true if value was in the set. Returns false otherwise. The method has no effect if value value was not in the set.
override

removeAll(Iterable<Object?> elements) void

Removes each element of elements from this set.
override

removeWhere(bool test(E)) 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(E)) void

Removes all elements of this set that fail to satisfy test.
override

retype<T>() Set<T>

singleWhere(bool test(E), {E orElse()}) E

Returns the single element that satisfies test. ...
inherited

skip(int n) Iterable<E>

Returns an Iterable that provides all but the first count elements. ...
inherited

skipWhile(bool test(E)) Iterable<E>

Returns an Iterable that skips leading elements while test is satisfied. ...
inherited

take(int n) Iterable<E>

Returns a lazy iterable of the count first elements of this iterable. ...
inherited

takeWhile(bool test(E)) Iterable<E>

Returns 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. ...

toString() String

Returns a string representation of this object.
inherited

union(Set<E> other) Set<E>

Returns a new set which contains all the elements of this set and other. ...
override

where(bool test(E)) Iterable<E>

Returns a new lazy Iterable with all elements that satisfy the predicate test. ...
inherited

whereType<T>() Iterable<T>

Returns a new lazy Iterable with all elements that have type T. ...
inherited

Operators

operator ==(Object other) bool

The equality operator. ...
inherited

Static Methods

typed<E>(Set base) Set<E>

Creates a wrapper that asserts the types of values in base. ...
@Deprecated('Use set.cast<E> instead.')