TensorBackward.both: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend as TensorBackward
Lines 168-176 of bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend&start_line=168&end_line=176

import Base

def both(first: Result<&2, &1, Error, Contribution>, second: Result<&2, &1, Error, Contribution>) ->
  Result<&2, &1, Error, List<&1, Contribution>>:
  match first second:
    case Fail{error} second:
      Fail{error}
    case Done{left} Fail{error}:
      Fail{error}
    case Done{left} Done{right}:
      Done{[left, right]}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend&name=Contribution
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend&name=Error