Iteration<E> class abstract mixin

Implemented types
Implementers
Available extensions

Constructors

Iteration.new()

Properties

first → E
The first element.
no setteroverride
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
indexTake → int
Defines the number of elements of the end that won't be accessible.
no setterinherited
isEmpty → bool
Whether this collection has no elements.
no setteroverride
isNotEmpty → bool
Whether this collection has at least one element.
no setteroverride
iterator → Iterator<E>
A new Iterator that allows iterating the elements of this Iterable.
no setteroverride
last → E
The last element.
no setteroverride
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 Iteration.
no setteroverride
nonNulls → Iterable<T>

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

The non-null elements of this iterable.
no setter
reversed → Iteration<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
sourceIterator → Iterator<E>
A new Iterator that allows iterating the elements of the source Iterable.
no setter
sourceLength → int
The number of elements in the source Iterable.
no setteroverride
startIndex → int
Defines the number of elements of the start that won't be accessible.
no setterinherited
wait → Future<List<T>>

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

Waits for futures in parallel.
no setter

Methods

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>() → Iteration<R>
A view of this iterable as an iterable of R instances.
override
contains(Object? element) → bool
Whether the collection contains an element equal to element.
override
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)) → Iteration<T>
Expands each element of this Iterable into zero or more elements.
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) → Iteration<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) → Iteration<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
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)) → Iteration<T>
The current elements of this iterable modified by toElement.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
offset(int index) → int
Used to apply startIndex to index for when calling up the source Iterable.
override
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
singleWhere(bool test(E element), {E orElse()?}) → E
The single element that satisfies test.
override
skip(int count) → Iteration<E>
Creates an Iterable that provides all but the first count elements.
override
skipWhile(bool test(E value)) → Iteration<E>
Creates an Iterable that skips leading elements while test is satisfied.
override
sourceGet(int sourceIndex) → E
The method to get the element in source list.
override
sublist(int start, [int? end]) → Iteration<E>
Returns a new list containing the elements between start and end.
override
take(int count) → Iteration<E>
Creates a lazy iterable of the count first elements of this iterable.
override
takeWhile(bool test(E value)) → Iteration<E>
Creates a lazy iterable of the leading elements satisfying test.
override
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)) → Iteration<E>
Creates a new lazy Iterable with all elements that satisfy the predicate test.
override
whereType<T>() → Iteration<T>
Creates a new lazy Iterable with all elements that have type T.
override

Operators

operator ==(Object other) → bool
The equality operator.
inherited
operator [](int index) → E
The object at the given index in the list.