44ba8ecdb2
If we were to use ES6 Maps, we should try to use a single one for all 'identity' keys (numbers, strings, enums etc). Change-Id: Idc600b7cb48b58a074fd4c9bb6205d544f86dbc1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/226540 Reviewed-by: Joshua Litt <joshualitt@google.com> Commit-Queue: Stephen Adams <sra@google.com>