AxisAlgebra.reorder_step: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend as AxisAlgebra
Lines 21-31 of bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend&start_line=21&end_line=31

import Base
import bendtorch-core@0.1.0.0/src/tensor/layout.bend as Layout
import bendtorch-core@0.1.0.0/src/tensor/axis_spec.bend as Axis

def reorder_step(+head: Maybe<&2, U32>, +tail: Maybe<&2, List<&2, U32>>) ->
  {Layout.reorder_head(value => Layout.reorder_tail(value, tail), head) == Axis.prepend(U32, head, tail) : Maybe<&2, List<&2, U32>>}:
  match head tail:
    case None{} None{}:
      {==}
    case None{} Some{items}:
      {==}
    case Some{value} None{}:
      {==}
    case Some{value} Some{items}:
      {==}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/axis_spec.bend&name=prepend
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=reorder_head
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=reorder_tail