def step.byte
import emerging-ezaudio@0.4.0.0/src/wav.bend as Wavimport Base
338def step.byte(st: St, +hd: U32) -> St:
339 match st:
340 case St{+phase, +left, +tag, +sz, +seen, +kind, +ch, +rate, +acc, +frames}:
341 step.bad(
342 U32.is_eq(seen, 3), phase,
343 st.set(phase, left, tag, sz, seen, kind, ch, rate, acc, frames), hd)