isNotEmpty property

bool isNotEmpty

Returns true if there is at least one key-value pair in the map.

Source

bool get isNotEmpty => !isEmpty;

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-collection/SplayTreeMap/isNotEmpty.html