Future add(value, [key]) { try { var request; if (key != null) { request = _add(value, key); } else { request = _add(value); } return _completeRequest(request); } catch (e, stacktrace) { return new Future.error(e, stacktrace); } }
© 2012 the Dart project authors
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https://api.dartlang.org/stable/2.0.0/dart-indexed_db/ObjectStore/add.html