PermutationMapping.words_valid_of: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend as PermutationMapping
Lines 318-332 of bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend&start_line=318&end_line=332

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/layout.bend as Layout
import bendtorch-core@0.1.0.0/src/storage/arith.bend as Arith
import bendtorch-core@0.1.0.0/src/shape/coordinate_proofs.bend as Coordinates

def words_valid_of(+dimensions: List<&2, U32>, +values: List<&2, U32>,
  fits: Coordinates.Fits(Shape.naturals(dimensions), Shape.naturals(values))) -> Layout.WordsValid(dimensions, values):
  match dimensions values:
    case Nil{} Nil{}:
      Unit{}
    case +dimension <> +dt +value <> +vt:
      Coordinates.FStep{bound, tail} = fits
      Layout.WStep{
        %Arith.u32_lt(value, dimension) : {True{} == _ : Bool}
        bound,
        words_valid_of(dt, vt, tail)}
    case Nil{} head <> tail:
      match fits:
    case head <> tail Nil{}:
      match fits:

Uses (10):
  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=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/coordinate_proofs.bend&name=Fits
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/coordinate_proofs.bend&name=Fits.Step
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=naturals
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/arith.bend&name=u32_lt
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=WordsValid
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=WordsValidStep