def take.u
import emerging-ezaudio@0.4.0.0/src/mp3_enc.bend as Mp3Encimport Base
387def take.u(hop: Nat, xs: List<&2, U32>, acc: List<&2, U32>) -> List<&2, U32>:
388 match hop xs:
389 case 0n _:
390 List.reverse(&2, U32, acc)
391 case _ Nil{}:
392 List.reverse(&2, U32, acc)
393 case 1n+p +hd <> tl:
394 take.u(p, tl, hd <> acc)