def bw.field
import emerging-ezaudio@0.4.0.0/src/mp3_enc.bend as Mp3Encimport Base
1162def bw.field(hop: Nat, st: Bw, +val: U32) -> Bw:
1163 match hop:
1164 case 0n:
1165 st
1166 case 1n++p:
1167 bw.field(p, bw.bit(st, ((val >> p : U32) .&. 1 : U32)), val)