vert-x3/vertx-codegen — pull request #17 by Narigo (2014-12-20 19:41:18+00:00)
Title: Check for toJson() in option if Handler or AsyncResultHandler

Check that `toJson()` method is in Options if used in `Handler<>` or `Handler>`

https://github.com/vert-x3/vertx-codegen/issues/16