SumDimsPROOF.kept_as_sum: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/sum_dims_PROOF.bend as SumDimsPROOF
Lines 97-104 of bendtorch-core@0.1.0.0/src/autograd/sum_dims_PROOF.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims_PROOF.bend&start_line=97&end_line=104

import Base
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/autograd/reduce.bend as Reduce
import bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend as SumDims
import bendtorch-core@0.1.0.0/src/autograd/sum_dims_LAWS.bend as Laws

# With keepdim, summed only renames reduce_to's error.
def kept_as_sum(+dropped: List<&2, U32>, pair: Core.Dynamic & Result<&2, &1, Reduce.Error, Core.Dynamic>) ->
  {SumDims.summed(dropped, True{}, pair) == Laws.as_sum(pair) : Core.Dynamic & Result<&2, &1, SumDims.Error, Core.Dynamic>}:
  match pair:
    case Tuple{input, Fail{error}}:
      {==}
    case Tuple{input, Done{output}}:
      {==}

Uses (11):
  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=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  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/autograd/reduce.bend&name=Error
  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=summed
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims_LAWS.bend&name=as_sum
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=Dynamic