ignore clippy ptr arg warning

src/arrangement.rs

@@ -755,6 +755,7 @@ mod test_generate_fingering_combos {
     }
 }
 
+#[allow(clippy::ptr_arg)]
 /// Checks if there are any duplicate strings in a vector of `Fingering`
 /// objects to ensure that all pitches can be played.
 fn no_duplicate_strings(beat_fingering_option: &Vec<&PitchFingering>) -> bool {