tree dca66348083639310f76c747aea6aa1feb8df373
parent f725386d11dd3daae6eb4e6aa79f2e8431072cb6
parent 515e4166b713a8c53ca2a28a517fbe1a15af1e1c
author Devon Carew <devoncarew@google.com> 1428891539 -0700
committer Devon Carew <devoncarew@google.com> 1428891539 -0700

Merge pull request #20 from dart-lang/devoncarew_return_none

return Version.none instead of null