isEmpty property

bool isEmpty

override

Whether this collection has no elements.

May be computed by checking if iterator.moveNext() returns false.

Example:

final emptyList = <int>[];
print(emptyList.isEmpty); // true;
print(emptyList.iterator.moveNext()); // false

Implementation

bool get isEmpty => !iterator.moveNext();

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.19.6/dart-collection/IterableMixin/isEmpty.html