elixir-lang/elixir — pull request #302 by yrashk (2012-05-21 19:39:17+00:00)
Title: Adds support for partial clause definition

Admittedly, the implementation might seem naive, but it seems to work just fine (so far!). And if there are some cases, it can be improved.

This, combined with macros, allows to intermittently generate clauses regardless of the order.