Rust syntax backport

This repository contains a backport of the following unstable crates from the Rust compiler.

• libsyntax => syntex_syntax
• libsyntax_pos => syntex_pos
• librustc_errors => syntex_errors

The backported code compiles on the most recent stable release of Rust.

License

Syntex is licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in Syntex by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.