AxisAlgebra.selected: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend as AxisAlgebra
Lines 3011-3015 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=3011&end_line=3015

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

def selected(-A: Data, -rank: Nat, -axes: List<&2, Nat>, -items: List<&2, A>, certificate: ListFacts<A, rank, axes, items>) ->
  {Axis.gather(A, items, axes) == Some{Axis.order(A, items, axes)} : Maybe<&2, List<&2, A>>}:
  match certificate:
    case Lists{selected, ranked, scattered, restored, reverse_restored, scatter_restored}:
      selected

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=Nat
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend&name=ListFacts
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/axis_spec.bend&name=gather
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/axis_spec.bend&name=order