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/Dart 2

keys property

Iterable<String> keys

Implementation

Iterable<String> get keys {
  final keys = <String>[];
  forEach((k, v) => keys.add(k));
  return keys;
}

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-html/MidiOutputMap/keys.html