def walk.keep
import emerging-ezaudio@0.4.0.0/src/mp3.bend as Mp3import Base
import emerging-ezaudio@0.4.0.0/src/mp3_dec.bend as Dec
503def walk.keep(oo: Dec.Out, +hz: U32, +ch: U32, +pcm0: List<&2, U32>) -> Wk:
504 match oo:
505 case Dec.Out{pcm, ov, qmf, fresh, lib}:
506 Wk{hz, ch, List.append(&2, U32, pcm0, pcm), ov, qmf, fresh, lib, 1, 0, 0, []}