dancing_droids/src/main.rs

enum Orientation {
    N,
    E,
    S,
    W,
}

enum Instruction {
    L,
    R,
    F,
}

fn parse_orientation(c: &char) -> Result<Orientation, &'static str> {
    match c {
        'N' => Ok(Orientation::N),
        'E' => Ok(Orientation::E),
        'S' => Ok(Orientation::S),
        'W' => Ok(Orientation::W),
        _ => Err("Invalid character, does not match any orientations"),
    }
}

fn parse_instruction(c: &char) -> Result<Instruction, &'static str> {
    match c {
        'L' => Ok(Instruction::L),
        'R' => Ok(Instruction::R),
        'F' => Ok(Instruction::F),
        _ => Err("Invalid character, does not match any instructions"),
    }
}

fn main() {
    let file_data = include_str!("../two_robots.txt");
}