LAWS.flatten_rank_error: law of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/LAWS.bend as LAWS
Lines 221-228 of bendtorch-core@0.1.0.0/src/shape/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/shape/LAWS.bend&start_line=221&end_line=228

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape

# A coordinate whose rank differs from the shape's fails with
# CoordinateRankMismatch, checked before any bound: [9] on [2, 3] is a rank
# error, not an out-of-bounds error.
law flatten_rank_error:
  for +shape: Shape.Shape
  for +values: List<&2, U32>
  for differ: {Shape.rank_dimensions(Shape.dimensions(shape)) != Shape.rank_dimensions(values) : Nat}
  {Shape.flatten_checked(shape, values) == Fail{Shape.CoordinateRankMismatch{}} : Result<&2, &2, Shape.Error, Shape.FlatIndex<shape>>}

Uses (14):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty
  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=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  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/shape/PROOF.bend&name=flatten_ranked_rank
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=FlatIndex
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Shape
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=bool_case
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=flatten_checked
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=rank_dimensions