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use std::fmt;

pub static SCALE1: &Scale = &Scale::S1;
pub static SCALE2: &Scale = &Scale::S2;

#[derive(Clone)]
pub enum Scale {
    S1,
    S2,
}

impl fmt::Display for Scale {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        use Scale::*;
        write!(
            f,
            "{}",
            match self {
                S1 => "1",
                S2 => "2",
            }
        )
    }
}