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// use std::fmt;
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum Key {
C,
CSahrp,
D,
EFlat,
E,
F,
FSharp,
G,
GSharp,
A,
BFlat,
B,
}
// impl fmt::Display for Key {
// fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
// write!(f, "{}", self)
// }
// }