2a13c38ca7
Basic support for running metrics over a corpus (e.g., directory containing n packages). Change-Id: Ie92fc6d035edbe57c1581ccb2bee9b60ea9594d1 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/138380 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Jaime Wren <jwren@google.com> Commit-Queue: Phil Quitslund <pquitslund@google.com>