def b_m0b

bendtorch@1.3.0.0 · PROOF.bend:659

import Base
import bendtorch@1.3.0.0/main.bend as T

659def b_m0b(-l: List<&1, T.BG>, -r: List<&1, T.BG>, -n: Nat, +h: Nat, +dm: T.Dm, l1y: List<&1, T.BG>, +sl: {l1y == l : List<&1, T.BG>}, fl: {T.bleaf(l, h, dm, Nil{}) == b_fmap(h, dm, l) : List<&1, T.DB>}, b: b_L1R<h, dm, r, Nil{}>) -> b_MR<0n, T.Halves{l, r}, n, h, dm>:
660  match b:
661    case b_L1R{r1, sr, fr}:
662      b_m0c(l, r, n, h, dm, l1y, sl, fl, r1, sr, fr, b_map_app(l1y, h, dm, r))