Core.Fin.unpack: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/core.bend as Core
Lines 123-128 of bendtorch-core@0.1.0.0/src/shape/core.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&start_line=123&end_line=128

import Base

def Fin.unpack(+a: Nat, +b: Nat, index: Fin(Nat.mul(a, b))) -> Fin(a) & Fin(b):
  match a:
    case 0n:
      match index:
    case 1n+p:
      Fin.unpack.step(p, b, index => Fin.unpack(p, b, index), Fin.split(b, Nat.mul(p, b), index))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Fin
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Fin.split
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Fin.unpack.step