jashkenas/coffee-script — pull request #3365 by hden (2014-02-09 14:30:19+00:00)
Title: Yet another generator syntax

Introducing the `->>`, `=>>`, and the `yield from` syntax.

Please see @xixixao's [PR](https://github.com/jashkenas/coffee-script/pull/3316#issuecomment-33292891) for detail.

Unfixed error from https://github.com/bevry/docpad/issues/723