TensorBackward.pass: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend as TensorBackward
Lines 809-821 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=809&end_line=821

import Base
import bendtorch-core@0.1.0.0/src/autograd/gradient.bend as Gradient

# The working gradient of every entry, newest first: Unset for the entries
# newer than output and for every entry output does not reach, ones of the
# output's shape at output, and the sweep's totals below it.
def pass(entries: List<&1, Entry>, +count: Nat, +output: Nat, selected: Bool) -> Swept():
  match entries count selected:
    case Nil{} count selected:
      (Nil{}, Done{Nil{}})
    case Con{entry, rest} 0n selected:
      (entry <> rest, Done{Nil{}})
    case Con{entry, rest} 1n+below False{}:
      finished(entry, Gradient.Unset{}, pass(rest, below, output, at_head(below, output)))
    case Con{entry, rest} 1n+below True{}:
      seeded_entry(entry, rest, below)

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/gradient.bend&name=Slot
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend&name=Entry
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend&name=Swept
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend&name=at_head
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend&name=finished
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend&name=seeded_entry