Function neighbor

tools/bitwise.rs:140–151

(x: i64, y: i64, n: Neighbor)

}

fn neighbor(x: i64, y: i64, n: Neighbor) -> (i64, i64) {
    match n {
        Neighbor::North => (x, y - 1),
        Neighbor::NorthEast => (x + 1, y - 1),
        Neighbor::East => (x + 1, y),
        Neighbor::SouthEast => (x + 1, y + 1),
        Neighbor::South => (x, y + 1),
        Neighbor::SouthWest => (x - 1, y + 1),
        Neighbor::West => (x - 1, y),
        Neighbor::NorthWest => (x - 1, y - 1),
    }
}

fn main() -> eyre::Result<()> {
    color_eyre::install()?;