W3cubDocs

/Dart 2

dart:collection

length property

int length

override

The number of key/value pairs in the map.

Implementation

int get length => keys.length;

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-collection/MapMixin/length.html