1 // Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT 2 // file at the top-level directory of this distribution and at 3 // http://rust-lang.org/COPYRIGHT. 4 // 5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or 6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license 7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your 8 // option. This file may not be copied, modified, or distributed 9 // except according to those terms. 10 11 #[macro_use] 12 extern crate num_derive; 13 14 #[derive(Debug, FromPrimitive, ToPrimitive)] 15 enum Direction { 16 Up, 17 Down, 18 Left, 19 Right, 20 } 21