SumDimsLAWS.PlanKeeps: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/sum_dims_LAWS.bend as SumDimsLAWS
Lines 42-49 of bendtorch-core@0.1.0.0/src/autograd/sum_dims_LAWS.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims_LAWS.bend&start_line=42&end_line=49

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

# What a plan holds: the kept shape's dimensions and the dropped ones.
def PlanKeeps(+axes: List<&2, U32>, +dimensions: List<&2, U32>, result: Result<&2, &2, SumDims.Error, SumDims.Plan>) -> Type:
  match result:
    case Fail{error}:
      Unit
    case Done{SumDims.Plan{kept, dropped}}:
      {Shape.dimensions(kept) == SumDims.kept_dimensions(axes, dimensions) : List<&2, U32>} &
        {dropped == SumDims.dropped_dimensions(axes, dimensions) : List<&2, U32>}

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  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=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend&name=Plan
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend&name=dropped_dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend&name=kept_dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=dimensions