ObjMapNullExt<K, V> extension

on

Properties

entries → Iterable<MapEntry<K, V>>?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

The map entries of this.
no setter
isEmpty → bool?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Whether there is no key/value pair in the map.
no setter
isNotEmpty → bool?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Whether there is at least one key/value pair in the map.
no setter
keys → Iterable<K>?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

The keys of this.
no setter
length → int?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

The number of key/value pairs in the map.
no setter
values → Iterable<V>?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

The values of this.
no setter

Methods

addAll(Map<K, V> other) → void

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Adds all key/value pairs of other to this map.
addEntries(Iterable<MapEntry<K, V>> newEntries) → void

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Adds all key/value pairs of newEntries to this map.
cast<RK, RV>() → Map<RK, RV>?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Provides a view of this map as having RK keys and RV instances, if necessary.
clear() → void

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Removes all entries from the map.
containsKey(Object? key) → bool?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Whether this map contains the given key.
containsValue(Object? valueToEvaluate) → bool?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Whether this map contains the given value.
forEach(void action(K key, V value)) → void

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Applies action to each key/value pair of the map.
map<K2, V2>(MapEntry<K2, V2> convert(K key, V value)) → Map<K2, V2>?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Returns a new map where all entries of this map are transformed by the given convert function.
putIfAbsent(K key, V ifAbsent()) → V?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Look up the value of key, or add a new entry if it isn't there.
remove(Object? key) → V?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Removes key and its associated value, if present, from the map.
removeWhere(bool test(K key, V value)) → void

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Removes all entries of this map that satisfy the given test.
updateAll(V update(K key, V value)) → void

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Updates all values.
updateMap(K key, V update(V value), {V ifAbsent()?}) → V?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Updates the value for the provided key.

Operators

operator [](Object? key) → V?

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

The value for the given key, or null if key is not in the map.
operator []=(K key, V valueToSet) → void

Available on Obj<Map<K, V>?>, provided by the ObjMapNullExt extension

Associates the key with the given value.