UnmodifiableMapMixin<K, V> class

*<Null safety>*

Implemented types

• Map<K, V>

Constructors

UnmodifiableMapMixin ()

Properties

entries → Iterable<MapEntry<K, V>>

The map entries of this.
read-only, inherited

first ← dynamic

Throws an UnsupportedError; operations that change the map are disallowed.
write-only

hashCode → int

The hash code for this object. ...
read-only, inherited

isEmpty → bool

Returns true if there is no key/value pair in the map.
read-only, inherited

isNotEmpty → bool

Returns true if there is at least one key/value pair in the map.
read-only, inherited

keys → Iterable<K>

The keys of this. ...
read-only, inherited

last ← dynamic

Throws an UnsupportedError; operations that change the map are disallowed.
write-only

length → int

The number of key/value pairs in the map.
read-only, inherited

runtimeType → Type

A representation of the runtime type of the object.
read-only, inherited

values → Iterable<V>

The values of this. ...
read-only, inherited

Methods

addAll(Map<K, V> other) void

Throws an UnsupportedError; operations that change the map are disallowed.
override

addEntries(Iterable<MapEntry<K, V>> newEntries) void

Adds all key/value pairs of newEntries to this map. ...
inherited

cast<RK, RV>() Map<RK, RV>

Provides a view of this map as having RK keys and RV instances, if necessary. ...
inherited

clear() void

Throws an UnsupportedError; operations that change the map are disallowed.
override

containsKey(Object? key) bool

Returns true if this map contains the given key. ...
inherited

containsValue(Object? value) bool

Returns true if this map contains the given value. ...
inherited

forEach(void f(K key, V value)) void

Applies f to each key/value pair of the map. ...
inherited

map<K2, V2>(MapEntry<K2, V2> f(K key, V value)) Map<K2, V2>

Returns a new map where all entries of this map are transformed by the given f function.
inherited

noSuchMethod(Invocation invocation) dynamic

Invoked when a non-existent method or property is accessed. ...
inherited

putIfAbsent(K key, V ifAbsent()) V

Throws an UnsupportedError; operations that change the map are disallowed.
override

remove(Object? key) V

Throws an UnsupportedError; operations that change the map are disallowed.
override

removeWhere(bool predicate(K key, V value)) void

Removes all entries of this map that satisfy the given predicate.
inherited

toString() String

Returns a string representation of this object.
inherited

update(K key, V update(V value), {V ifAbsent()}) V

Updates the value for the provided key. ...
inherited

updateAll(V update(K key, V value)) void

Updates all values. ...
inherited

Operators

operator ==(Object other) bool

The equality operator. ...
inherited

operator [](Object? key) V?

Returns the value for the given key or null if key is not in the map. ...
inherited

operator []=(K key, V value) void

Throws an UnsupportedError; operations that change the map are disallowed.
override