ElementwisePROOF.step_left_retains: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend as ElementwisePROOF
Lines 276-296 of bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&start_line=276&end_line=296

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/tensor/elementwise.bend as Elementwise
import bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend as Totality

def step_left_retains(+operation: Elementwise.Operation, -shape: Shape.Shape, +index: U32,
  -original_left: Core.Dynamic, -original_right: Core.Dynamic, right: Core.Dynamic,
  output: Core.Tensor<shape>, +right_index: U32, pair: Core.Dynamic & Result<&2, &2, Core.Error, F32>,
  -left_same: Totality.SameSource(original_left, dynamic_read_owner(pair)),
  -right_same: Totality.SameSource(original_right, right)) ->
  StepSources<shape, original_left, original_right, Elementwise.step_left(operation, shape, index, right, output, right_index, pair)>:
  (left, result) = pair
  match result:
    case Fail{error}:
      StepSources{left_same, right_same}
    case Done{value}:
      step_sources_reify(shape, original_left, original_right,
        Elementwise.step_right(operation, shape, index, left, output, value, Core.read_dynamic(right, right_index)),
        {\{SourceModel: same => step_right_retains(operation, shape, index, original_left, original_right, left, output, value,
        Core.read_dynamic(right, right_index), left_same,
        property => Equal.trans(Totality.Inspection,
          Totality.inspect(property, dynamic_read_owner(Core.read_dynamic(right, right_index))),
          Totality.inspect(property, right), Totality.inspect(property, original_right), same(property), right_same(property)))} :
        SourceModel<right, dynamic_read_owner(Core.read_dynamic(right, right_index))> ->
        StepSources<shape, original_left, original_right, Elementwise.step_right(operation, shape, index, left, output, value, Core.read_dynamic(right, right_index))>}(
          dynamic_read_retains(right, right_index)))

Uses (23):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  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/shape/core.bend&name=Shape
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=Dynamic
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=Tensor
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=read_dynamic
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise.bend&name=Operation
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise.bend&name=step_left
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise.bend&name=step_right
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&name=SourceModel
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&name=StepSources
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&name=dynamic_read_owner
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&name=dynamic_read_retains
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&name=step_right_retains
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_PROOF.bend&name=step_sources_reify
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=Inspection
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=SameSource
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=inspect