Returns true if this map contains the given value
.
Returns true if any of the values in the map are equal to value
according to the ==
operator.
bool containsValue(Object value) => _map.containsValue(value);
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-collection/MapView/containsValue.html