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fix(domain): remove dead use_sharps param, handle Cb enharmonic

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Gabriel Kaszewski
2026-04-08 01:29:20 +02:00
parent a3ae4429f5
commit ac1f1bd3da
1 changed files with 10 additions and 6 deletions
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16
crates/domain/src/note.rs
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@@ -14,7 +14,7 @@ impl Note {
}
}
pub fn from_semitone(s: u8, use_sharps: bool) -> Note {
pub fn from_semitone(s: u8) -> Note {
match s % 12 {
0 => Note::C, 1 => Note::CSharpDFlat, 2 => Note::D,
3 => Note::DSharpEFlat, 4 => Note::E, 5 => Note::F,
@@ -66,12 +66,11 @@ impl Note {
}
fn sharp_of(root: Note) -> Note {
Note::from_semitone((root.semitone() + 1) % 12, true)
Note::from_semitone((root.semitone() + 1) % 12)
}
fn flat_of(root: Note) -> Option<Note> {
if root.semitone() == 0 { return None; } // Cb is unusual, skip
Some(Note::from_semitone((root.semitone() + 11) % 12, false))
Some(Note::from_semitone((root.semitone() + 11) % 12))
}
}
@@ -81,8 +80,13 @@ mod tests {
#[test]
fn semitone_roundtrip() {
assert_eq!(Note::from_semitone(Note::A.semitone(), true), Note::A);
assert_eq!(Note::from_semitone(Note::FSharpGFlat.semitone(), true), Note::FSharpGFlat);
assert_eq!(Note::from_semitone(Note::A.semitone()), Note::A);
assert_eq!(Note::from_semitone(Note::FSharpGFlat.semitone()), Note::FSharpGFlat);
}
#[test]
fn parse_cb_enharmonic() {
assert_eq!(Note::from_str("Cb"), Some(Note::B));
}
#[test]