scala/scala — pull request #450 by milessabin (2012-04-29 15:09:13+00:00)
Title: Added infrastructure to enable easy enrichment of GenTraversables.

As discussed on [scala-internals](https://groups.google.com/d/topic/scala-internals/XRbObRJvOkU/discussion). Sample usage [here](https://gist.github.com/2500326). Motivating blog post [here](http://yz.mit.edu/wp/true-scala-complexity/).

Builds successfully and passes all tests.