lsmith/yui3 — pull request #36 by lsmith (2012-09-04 21:48:42+00:00)
Title: New module to add Y.Deferred, Y.Promise, and Y.when()

Deferred is targeted to serve in the role of transaction layer (second layer in https://gist.github.com/2375130 per https://github.com/yui/yui3/wiki/Ongoing-Development-Discussions).

Feedback welcome while I write tests.