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IterableBase<E> class

Base class for implementing Iterable.

This class implements all methods of Iterable, except Iterable.iterator, in terms of iterator.

Inheritance

Constructors

IterableBase()
const

Properties

first → E
read-only, inherited
Returns the first element. [...]
hashCodeint
read-only, inherited
The hash code for this object. [...]
isEmptybool
read-only, inherited
Returns true if there are no elements in this collection. [...]
isNotEmptybool
read-only, inherited
Returns true if there is at least one element in this collection. [...]
iteratorIterator<E>
read-only, inherited
Returns a new Iterator that allows iterating the elements of this Iterable. [...]
last → E
read-only, inherited
Returns the last element. [...]
lengthint
read-only, inherited
Returns the number of elements in this. [...]
runtimeTypeType
read-only, inherited
A representation of the runtime type of the object.
single → E
read-only, inherited
Checks that this iterable has only one element, and returns that element. [...]

Methods

any(bool test(E element)) → bool
inherited
Checks whether any element of this iterable satisfies test. [...]
cast<R>() → Iterable<R>
inherited
Provides a view of this iterable as an iterable of R instances. [...]
contains(Object element) → bool
inherited
Returns true if the collection contains an element equal to element. [...]
elementAt(int index) → E
inherited
Returns the indexth element. [...]
every(bool test(E element)) → bool
inherited
Checks whether every element of this iterable satisfies test. [...]
expand<T>(Iterable<T> f(E element)) → Iterable<T>
inherited
Expands each element of this Iterable into zero or more elements. [...]
firstWhere(bool test(E element), { E orElse() }) → E
inherited
Returns the first element that satisfies the given predicate test. [...]
fold<T>(T initialValue, T combine(T previousValue, E element)) → T
inherited
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value [...]
followedBy(Iterable<E> other) → Iterable<E>
inherited
Returns the lazy concatentation of this iterable and other. [...]
forEach(void f(E element)) → void
inherited
Applies the function f to each element of this collection in iteration order.
join([String separator = "" ]) → String
inherited
Converts each element to a String and concatenates the strings. [...]
lastWhere(bool test(E element), { E orElse() }) → E
inherited
Returns the last element that satisfies the given predicate test. [...]
map<T>(T f(E e)) → Iterable<T>
inherited
Returns a new lazy Iterable with elements that are created by calling f on each element of this Iterable in iteration order. [...]
noSuchMethod(Invocation invocation) → dynamic
inherited
Invoked when a non-existent method or property is accessed. [...]
reduce(E combine(E value, E element)) → E
inherited
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function. [...]
singleWhere(bool test(E element), { E orElse() }) → E
inherited
Returns the single element that satisfies test. [...]
skip(int count) → Iterable<E>
inherited
Returns an Iterable that provides all but the first count elements. [...]
skipWhile(bool test(E value)) → Iterable<E>
inherited
Returns an Iterable that skips leading elements while test is satisfied. [...]
take(int count) → Iterable<E>
inherited
Returns a lazy iterable of the count first elements of this iterable. [...]
takeWhile(bool test(E value)) → Iterable<E>
inherited
Returns a lazy iterable of the leading elements satisfying test. [...]
toList({bool growable: true }) → List<E>
inherited
Creates a List containing the elements of this Iterable. [...]
toSet() → Set<E>
inherited
Creates a Set containing the same elements as this iterable. [...]
toString() → String
inherited
Returns a string representation of (some of) the elements of this. [...]
where(bool test(E element)) → Iterable<E>
inherited
Returns a new lazy Iterable with all elements that satisfy the predicate test. [...]
whereType<T>() → Iterable<T>
inherited
Returns a new lazy Iterable with all elements that have type T. [...]

Operators

operator ==(dynamic other) → bool
inherited
The equality operator. [...]

Static Methods

iterableToFullString(Iterable iterable, [ String leftDelimiter = '(', String rightDelimiter = ')' ]) → String
Converts an Iterable to a string. [...]
iterableToShortString(Iterable iterable, [ String leftDelimiter = '(', String rightDelimiter = ')' ]) → String
Convert an Iterable to a string like IterableBase.toString. [...]

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.5.0/dart-collection/IterableBase-class.html