Closed zoechi closed 6 years ago
https://github.com/bwu-dart/polymer_elements_demos/blob/master/web/iron_list/iron_list_collapse_demo.dart#L37
blocked on dart-lang/polymer_elements#90
https://github.com/bwu-dart/polymer_elements_demos/blob/master/web/iron_list/iron_list_collapse_demo.dart#L37
blocked on dart-lang/polymer_elements#90