Add a mechanism for enabling experimental language features

07f9192
Opened by Brian Anderson at 2013-10-06 22:51:26

Crates can be tagged with #[feature(foo)] to enable experimental language features.

  1. Nominating.

    Brian Anderson at 2013-09-19 00:05:28

  2. accepted backwards-compatible (needed for putting macro-rules behind a flag, which is on backwards-compatible)

    Tim Chevalier at 2013-09-19 17:19:49