carllerche/nix-rust — pull request #21 by little-arhat (2014-11-19 12:17:52+00:00)
Title: Use namespaced enum variants.

As per this pull request https://github.com/rust-lang/rust/pull/18973,
enum variants require fully qualified path to access them.
This commit introduces boring changes to make nix-rust compiles againts
new rust.