pub fn merge_variants_equal_duration(
streams: &[&Stream],
variant_names: &[&str],
) -> Result<Stream>Expand description
Merges other versions of a stream, each as long as it, into a copy of
it: part by part and measure by measure where it has them, each stretch
of notes and rests that differs a variant, named by variant_names in
turn: music21’s mergeVariantsEqualDuration.
§Errors
A version of another length, one with fewer parts or measures, or a stream holding measures or parts where notes are compared.