Array class Null safety Document

Provides readonly access to array data.

Implemented types
Implementers
Available Extensions

Constructors

Array()

Properties

first Object?
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<Object?>
Returns a new Iterator that allows iterating the elements of this Iterable. [...]
read-only, inherited
last Object?
Returns the last element. [...]
read-only, inherited
length int
The number of elements in this array.
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
single Object?
Checks that this iterable has only one element, and returns that element. [...]
read-only, inherited

Methods

any(bool test(Object? element)) bool
Checks whether any element of this iterable satisfies test. [...]
inherited
array(int index) Array?
Returns the element at the given index as an Array. [...]
inherited
blob(int index) Blob?
Returns the element at the given index as a Blob. [...]
inherited
boolean(int index) bool
Returns the element at the given index as a bool. [...]
inherited
cast<R>() Iterable<R>
Provides a view of this iterable as an iterable of R instances. [...]
inherited
contains(Object? element) bool
Whether the collection contains an element equal to element. [...]
inherited
date(int index) DateTime?
Returns the element at the given index as a DateTime. [...]
inherited
dictionary(int index) Dictionary?
Returns the element at the given index as a Dictionary. [...]
inherited
elementAt(int index) Object?
Returns the indexth element. [...]
inherited
every(bool test(Object? element)) bool
Checks whether every element of this iterable satisfies test. [...]
inherited
expand<T>(Iterable<T> toElements(Object? element)) Iterable<T>
Expands each element of this Iterable into zero or more elements. [...]
inherited
firstWhere(bool test(Object? element), {Object? orElse()?}) Object?
Returns the first element that satisfies the given predicate test. [...]
inherited
float(int index) double
Returns the element at the given index as an floating point number. [...]
inherited
fold<T>(T initialValue, T combine(T previousValue, Object? element)) → T
Reduces a collection to a single value by iteratively combining each element of the collection with an existing value [...]
inherited
followedBy(Iterable<Object?> other) Iterable<Object?>
Returns the lazy concatenation of this iterable and other. [...]
inherited
forEach(void action(Object? element)) → void
Invokes action on each element of this iterable in iteration order.
inherited
integer(int index) int
Returns the element at the given index as an integer number. [...]
inherited
join([String separator = ""]) String
Converts each element to a String and concatenates the strings. [...]
inherited
lastWhere(bool test(Object? element), {Object? orElse()?}) Object?
Returns the last element that satisfies the given predicate test. [...]
inherited
map<T>(T toElement(Object? e)) Iterable<T>
The current elements of this iterable modified by toElement. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
number(int index) num?
Returns the element at the given index as a num. [...]
inherited
reduce(Object? combine(Object? value, Object? element)) Object?
Reduces a collection to a single value by iteratively combining elements of the collection using the provided function. [...]
inherited
singleWhere(bool test(Object? element), {Object? orElse()?}) Object?
Returns the single element that satisfies test. [...]
inherited
skip(int count) Iterable<Object?>
Returns an Iterable that provides all but the first count elements. [...]
inherited
skipWhile(bool test(Object? value)) Iterable<Object?>
Returns an Iterable that skips leading elements while test is satisfied. [...]
inherited
string(int index) String?
Returns the element at the given index as a String. [...]
inherited
take(int count) Iterable<Object?>
Returns a lazy iterable of the count first elements of this iterable. [...]
inherited
takeWhile(bool test(Object? value)) Iterable<Object?>
Returns a lazy iterable of the leading elements satisfying test. [...]
inherited
toJson() String
Returns this array's data as JSON.
toList({bool growable = true}) List<Object?>
Creates a List containing the elements of this Iterable. [...]
inherited
toMutable() MutableArray
Returns a mutable copy of this array.
toPlainList() List<Object?>
Deeply converts this array into a representation of plain Dart objects and returns it. [...]
inherited
toSet() Set<Object?>
Creates a Set containing the same elements as this iterable. [...]
inherited
toString() String
A string representation of this object. [...]
inherited
value<T extends Object>(int index) → T?
Returns the element at the given index. [...]
inherited
where(bool test(Object? element)) Iterable<Object?>
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
operator [](int index) Fragment
Returns a Fragment for the value at the given index.
inherited