MapExtension<K, V> extension

on

Methods

notContainsKey(K key) → bool

Available on Map<K, V>, provided by the MapExtension extension

Whether this map does not contain the given key.
valueOf(K key, {required V initialValue}) → V

Available on Map<K, V>, provided by the MapExtension extension

Returns the value of the given key, if it exists, and adds it if it doesn't If the the key does not exist, the given initialValue is added and returned