Provides access to dictionary data.
- Implemented types
Constructors
-
MutableDictionary([Map<
String, Object?> ? data]) -
Creates a MutableDictionary, optionally initialized with
data
.factory
Properties
- first → String
-
The first element.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- isEmpty → bool
-
Whether this collection has no elements.
no setterinherited
- isNotEmpty → bool
-
Whether this collection has at least one element.
no setterinherited
-
iterator
→ Iterator<
String> -
A new
Iterator
that allows iterating the elements of thisIterable
.no setterinherited -
keys
→ List<
String> -
The keys of the entries in this dictionary.
no setterinherited
- last → String
-
The last element.
no setterinherited
- length → int
-
The number of entries in this dictionary.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- single → String
-
Checks that this iterable has only one element, and returns that element.
no setterinherited
Methods
-
any(
bool test(String element)) → bool -
Checks whether any element of this iterable satisfies
test
.inherited -
array(
String key) → MutableArray? -
Returns the value for the given
key
as an MutableArray.inherited -
blob(
String key) → Blob? -
Returns the value for the given
key
as a Blob.inherited -
boolean(
String key) → bool -
Returns the value for the given
key
as a bool.inherited -
cast<
R> () → Iterable< R> -
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(
String key) → DateTime? -
Returns the value for the given
key
as a DateTime.inherited -
dictionary(
String key) → MutableDictionary? -
Returns the value for the given
key
as a MutableDictionary.inherited -
elementAt(
int index) → String -
Returns the
index
th element.inherited -
every(
bool test(String element)) → bool -
Checks whether every element of this iterable satisfies
test
.inherited -
expand<
T> (Iterable< T> toElements(String element)) → Iterable<T> -
Expands each element of this Iterable into zero or more elements.
inherited
-
firstWhere(
bool test(String element), {String orElse()?}) → String -
The first element that satisfies the given predicate
test
.inherited -
float(
String key) → double -
Returns the value for the given
key
as a floating point number.inherited -
fold<
T> (T initialValue, T combine(T previousValue, String element)) → T -
Reduces a collection to a single value by iteratively combining each
element of the collection with an existing value
inherited
-
followedBy(
Iterable< String> other) → Iterable<String> -
Creates the lazy concatenation of this iterable and
other
.inherited -
forEach(
void action(String element)) → void -
Invokes
action
on each element of this iterable in iteration order.inherited -
integer(
String key) → int -
Returns the value for the given
key
as an integer number.inherited -
join(
[String separator = ""]) → String -
Converts each element to a String and concatenates the strings.
inherited
-
lastWhere(
bool test(String element), {String orElse()?}) → String -
The last element that satisfies the given predicate
test
.inherited -
map<
T> (T toElement(String e)) → Iterable< T> -
The current elements of this iterable modified by
toElement
.inherited -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
number(
String key) → num? -
Returns the value for the given
key
as a num.inherited -
reduce(
String combine(String value, String element)) → String -
Reduces a collection to a single value by iteratively combining elements
of the collection using the provided function.
inherited
-
removeValue(
String key) → void -
Removes the entry with the given
key
.inherited -
setArray(
Array? value, {required String key}) → void -
Sets an Array for the given
key
.inherited -
setBlob(
Blob? value, {required String key}) → void -
Sets a Blob for the given
key
.inherited -
setBoolean(
bool value, {required String key}) → void -
Sets a bool for the given
key
.inherited -
setData(
Map< String, Object?> data) → void -
Replaces the entries of this dictionary with those of the given Map.
inherited
-
setDate(
DateTime? value, {required String key}) → void -
Sets a DateTime for the given
key
.inherited -
setDictionary(
Dictionary? value, {required String key}) → void -
Sets a Dictionary for the given
key
.inherited -
setFloat(
double value, {required String key}) → void -
Sets a floating point number for the given
key
.inherited -
setInteger(
int value, {required String key}) → void -
Sets an integer number for the given
key
.inherited -
setNumber(
num? value, {required String key}) → void -
Sets a num for the given
key
.inherited -
setString(
String? value, {required String key}) → void -
Sets a String for the given
key
.inherited -
setValue(
Object? value, {required String key}) → void -
Sets a
value
for the givenkey
.inherited -
singleWhere(
bool test(String element), {String orElse()?}) → String -
The single element that satisfies
test
.inherited -
skip(
int count) → Iterable< String> -
Creates an Iterable that provides all but the first
count
elements.inherited -
skipWhile(
bool test(String value)) → Iterable< String> -
Creates an
Iterable
that skips leading elements whiletest
is satisfied.inherited -
string(
String key) → String? -
Returns the value for the given
key
as a String.inherited -
take(
int count) → Iterable< String> -
Creates a lazy iterable of the
count
first elements of this iterable.inherited -
takeWhile(
bool test(String value)) → Iterable< String> -
Creates a lazy iterable of the leading elements satisfying
test
.inherited -
toJson(
) → String -
Returns this dictionary's data as JSON.
inherited
-
toList(
{bool growable = true}) → List< String> -
Creates a List containing the elements of this Iterable.
inherited
-
toMutable(
) → MutableDictionary -
Returns a mutable copy of this dictionary.
inherited
-
toPlainMap(
) → Map< String, Object?> -
Deeply converts this dictionary into a representation of plain Dart
objects and returns it.
inherited
-
toSet(
) → Set< String> -
Creates a Set containing the same elements as this iterable.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
value<
T extends Object> (String key) → T? -
Returns the value for the given
key
.inherited -
where(
bool test(String element)) → Iterable< String> -
Creates a new lazy Iterable with all elements that satisfy the
predicate
test
.inherited -
whereType<
T> () → Iterable< T> -
Creates a new lazy Iterable with all elements that have type
T
.inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
-
operator [](
String key) → MutableFragment -
Returns a MutableFragment for the value at the given
key
.inherited