Returns the value for the given
key or null if
key is not in the map.
Some maps allow keys to have
null as a value. For those maps, a lookup using this operator cannot distinguish between a key not being in the map and the key having a
null value. Methods like containsKey or putIfAbsent can be used if the distinction is important.
V operator (Object key) => _map[key];
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.