tree 4f4dae1a810f3d248456de85a3837bce41222670
parent 1561910f1212ef39403642c068bf67df129fa236
author Tony Gentilcore <tonyg@chromium.org> 1428689174 -0700
committer Tony Gentilcore <tonyg@chromium.org> 1428689174 -0700

Don't output duplicate errors from dart analyzer.

Also:
- Make the code a little more pythonic
- Make the exit code reflect the number of errors

BUG=Fixes #78
R=zra@google.com

Review URL: https://codereview.chromium.org/1060053003