ea7e014c3c
In particular this allows us to reproduce type arguments for collections in the macro expansion isolate. The type arguments have to be explicitly given for collection types, but this should be doable given they are all constants and only certain types are allowed. Bug: https://github.com/dart-lang/language/issues/2212 Change-Id: I14a688ed294cf060c004849efa975b5bef053d5b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/308202 Reviewed-by: Bob Nystrom <rnystrom@google.com> Reviewed-by: Johnni Winther <johnniwinther@google.com> Commit-Queue: Jake Macdonald <jakemac@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>