MutableDictionaryInterface class Null safety Document

Defines a set of methods for getting and setting dictionary data.

Implemented types
Implementers

Constructors

MutableDictionaryInterface()

Properties

hashCode int
The hash code for this object. [...]
read-only, inherited
keys List<String>
The keys of the entries in this dictionary.
read-only, inherited
length int
The number of entries in this dictionary.
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

array(String key) MutableArray?
Returns the value for the given key as an MutableArray. [...]
override
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
contains(String key) bool
Returns whether an entry with the given key exists in this dictionary.
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. [...]
override
float(String key) double
Returns the value for the given key as a floating point number. [...]
inherited
integer(String key) int
Returns the value for the given key as an integer number. [...]
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
number(String key) num?
Returns the value for the given key as a num. [...]
inherited
removeValue(String key) → void
Removes the entry with the given key.
setArray(Array? value, {required String key}) → void
Sets an Array for the given key.
setBlob(Blob? value, {required String key}) → void
Sets a Blob for the given key.
setBoolean(bool value, {required String key}) → void
Sets a bool for the given key.
setData(Map<String, Object?> data) → void
Replaces the entries of this dictionary with those of the given Map. [...]
setDate(DateTime? value, {required String key}) → void
Sets a DateTime for the given key.
setDictionary(Dictionary? value, {required String key}) → void
Sets a Dictionary for the given key.
setFloat(double value, {required String key}) → void
Sets a floating point number for the given key.
setInteger(int value, {required String key}) → void
Sets an integer number for the given key.
setNumber(num? value, {required String key}) → void
Sets a num for the given key.
setString(String? value, {required String key}) → void
Sets a String for the given key.
setValue(Object? value, {required String key}) → void
Sets a value for the given key. [...]
string(String key) String?
Returns the value for the given key as a String. [...]
inherited
toPlainMap() Map<String, Object?>
Deeply converts this dictionary into a representation of plain Dart objects and returns it. [...]
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

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited
operator [](String key) MutableFragment
Returns a MutableFragment for the value at the given key.
inherited