def mp3.pick
import emerging-ezaudio@0.4.0.0/src/mp3.bend as Mp3import Base
415def mp3.pick(
416 ok: Bool, +hz: U32, +ch: U32, +kind: U32, +frames: List<&2, U32>
417) -> Maybe<&2, List<&2, U32>>:
418 match ok:
419 case False{}:
420 None{}
421 case True{}:
422 mp3.body(frames.empty(frames), hz, ch, kind, frames)