EqualityMap<K, V> class
A Map whose key equality is determined by an Equality object.
- Inheritance
-
- Available extensions
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 of other.
Properties
-
entries
→ Iterable<MapEntry<K, V>>
-
The map entries of this Map.
no setterinherited
-
hashCode
→ int
-
The hash code for this object.
no setterinherited
-
isEmpty
→ bool
-
Whether there is no key/value pair in the map.
no setterinherited
-
isNotEmpty
→ bool
-
Whether there is at least one key/value pair in the map.
no setterinherited
-
keys
→ Iterable<K>
-
The keys of this Map.
no setterinherited
-
length
→ int
-
The number of key/value pairs in the map.
no setterinherited
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
no setterinherited
-
values
→ Iterable<V>
-
The values of this Map.
no setterinherited
Methods
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addAll(Map<K, V> other)
→ void
-
Adds all key/value pairs of
other to this map.
inherited
-
addEntries(Iterable<MapEntry<K, V>> entries)
→ void
-
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 and RV 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
-
getOrCompute<T>(K key, T computation())
→ T?
-
Available on Map<K, V>?,
provided by the MapX extension
-
getOrDefault<T>(K key, T defaultValue)
→ T?
-
Available on Map<K, V>?,
provided by the MapX extension
-
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 nonexistent 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?
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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>
-
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
-
withValue<T>(Object? key, ValueSetter<T> onValue)
→ void
-
Available on Map<K, V>?,
provided by the MapX extension
-
withValueOrDefault<T>(Object? key, ValueSetter<T> onValue, T def)
→ void
-
Available on Map<K, V>?,
provided by the MapX extension
Operators
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operator ==(Object other)
→ bool
-
The equality operator.
inherited
-
operator [](Object? key)
→ V?
-
The value for the given
key, or null if key is not in the map.
inherited
-
operator []=(K key, V value)
→ void
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Associates the
key with the given value.
inherited
