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// Copyright 2013-2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#[macro_use]
extern crate num_derive;
#[derive(Debug, FromPrimitive, ToPrimitive)]
enum Direction {
Up,
Down,
Left,
Right,
}