Bendtorch.both_b3: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 2133-2136 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=2133&end_line=2136

import Base

def both_b3(-P1: Type, -P2: Type, -X1: Type, -X2: Type, p2: P2, g2: P2, dx2: X2, r: Bwd<P1, X1>) -> Bwd<Two<P1, P2>, Two<X1, X2>>:
  match r:
    case Bwd{p1, dx1, g1}:
      Bwd{Two{p1, p2}, Two{dx1, dx2}, Two{g1, g2}}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Bwd
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Two