def pair.try
import emerging-ezaudio@0.4.0.0/src/mp3_dec.bend as Mp3Decimport Base
862def pair.try(
863 nd: Nd, +ov: List<&2, F32>, +qmf: List<&2, F32>, +lib: Lib
864) -> Maybe<&2, Out>:
865 match nd:
866 case Nd{+leaf, _bits, _w, _done}:
867 Some{Out{pair.word(leaf), ov, qmf, 0, lib}}