tree 4a827b8ba354f8806fceb83a6f7dae2746104f95
parent f7a63c68e5639b8235d94ff0f9a99c1b382c4832
author Natalie Weizenbaum <nweiz@google.com> 1528160635 -0400
committer Natalie Weizenbaum <nweiz@google.com> 1528160635 -0400

Only support Dart 2

This is necessary because we're calling Set.cast() and Set.retype().