Rust code shared from the playground

playground.rs

use std::fmt;

#[derive(Debug, Clone, Copy)]
pub enum CardinalPoint {
    North = 0x2191,     // ↑
    NorthEast = 0x2197, // ↗
    East = 0x2192,      // →
    SouthEast = 0x2198, // ↘
    South = 0x2193,     // ↓
    SouthWest = 0x2199, // ↙
    West = 0x2190,      // ←
    NorthWest = 0x2196, // ↖
}

impl fmt::Display for CardinalPoint {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        use std::char;
        write!(f, "{}", char::from_u32(*self as u32).unwrap())
    }
}

fn main() {
    println!("{}", CardinalPoint::North);
}

[16:02] ‎<‎sebk‎>‎ pub mod cardinal_point {
‎[16:02] ‎<‎sebk‎>‎ const N: char = '↑',

mklein: sebk +1. the case I raised earlier was a source of undefined behavior, though--your example doesn't suffer from that.