elixir-lang/plug — pull request #62 by lsimoneau (2014-07-14 02:05:04+00:00)
Title: Encapsulation of eaddrinuse error when starting cowboy

Instead of the deeply nested error structure returned by cowboy, just return `{:error,:eaddrinuse}`.

This is to facilitate resolving https://github.com/phoenixframework/phoenix/issues/180, and was suggested there.