EqualityMap<K, V> class
Null safety
A Map whose key equality is determined by an Equality object.
- Inheritance
-
- Object
- DelegatingMap<
K, V> - EqualityMap
Constructors
-
EqualityMap(Equality<
K> equality) -
Creates a map with equality based on
equality
. -
EqualityMap.from(Equality<
K> equality, Map<K, V> other) -
Creates a map with equality based on
equality
that contains all key-value pairs ofother
.
Properties
-
entries
→ Iterable<
MapEntry< K, V> > -
The map entries of this.
read-onlyinherited
- hashCode → int
-
The hash code for this object.
read-onlyinherited
- isEmpty → bool
-
Whether there is no key/value pair in the map.
read-onlyinherited
- isNotEmpty → bool
-
Whether there is at least one key/value pair in the map.
read-onlyinherited
-
keys
→ Iterable<
K> -
The keys of this.
read-onlyinherited
- length → int
-
The number of key/value pairs in the map.
read-onlyinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
read-onlyinherited
-
values
→ Iterable<
V> -
The values of this.
read-onlyinherited
Methods
-
addAll(
Map< K, V> other) → void -
Adds all key/value pairs of
other
to this map.inherited -
addEntries(
Iterable< MapEntry< entries) → voidK, V> > -
Adds all key/value pairs of
newEntries
to this map.inherited -
cast<
K2, V2> () → Map< K2, V2> -
Provides a view of this map as having
RK
keys andRV
instances, if necessary.inherited -
clear(
) → void -
Removes all entries from the map.
inherited
-
containsKey(
Object? key) → bool -
Whether this map contains the given
key
.inherited -
containsValue(
Object? value) → bool -
Whether this map contains the given
value
.inherited -
forEach(
void f(K, V)) → void -
Applies
action
to each key/value pair of the map.inherited -
map<
K2, V2> (MapEntry< K2, V2> transform(K, V)) → Map<K2, V2> -
Returns a new map where all entries of this map are transformed by
the given
convert
function.inherited -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
putIfAbsent(
K key, V ifAbsent()) → V -
Look up the value of
key
, or add a new entry if it isn't there.inherited -
remove(
Object? key) → V? -
Removes
key
and its associated value, if present, from the map.inherited -
removeWhere(
bool test(K, V)) → void -
Removes all entries of this map that satisfy the given
test
.inherited -
retype<
K2, V2> () → Map< K2, V2> -
Deprecated("Use cast instead")">@Deprecated("Use cast instead")inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
update(
K key, V update(V), {V ifAbsent()?}) → V -
Updates the value for the provided
key
.inherited -
updateAll(
V update(K, V)) → void -
Updates all values.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
-
operator [](
Object? key) → V? -
The value for the given
key
, ornull
ifkey
is not in the map.inherited -
operator []=(
K key, V value) → void -
Associates the
key
with the givenvalue
.inherited