BroadcastPROOF.finish_retains: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/broadcast_PROOF.bend as BroadcastPROOF
Lines 28-36 of bendtorch-core@0.1.0.0/src/autograd/broadcast_PROOF.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/broadcast_PROOF.bend&start_line=28&end_line=36

import Base
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend as Totality
import bendtorch-core@0.1.0.0/src/autograd/broadcast.bend as Broadcast
import bendtorch-core@0.1.0.0/src/autograd/broadcast_LAWS.bend as Laws

def finish_retains(-input: Core.Dynamic, -right: Core.Dynamic,
  pair: (Core.Dynamic & Core.Dynamic) & Result<&2, &1, Core.Error, Core.Dynamic>,
  -retention: Totality.Retention<input, right, pair>) -> Laws.Retained<input, Broadcast.finish(pair)>:
  ((left, other), result) = pair
  match result:
    case Fail{error}:
      Laws.Retained{{\{Totality.Retention: l => r => l} : Totality.Retention<input, right, ((left, other), Fail{error})> -> Totality.SameSource(input, left)}(retention)}
    case Done{output}:
      Laws.Retained{{\{Totality.Retention: l => r => l} : Totality.Retention<input, right, ((left, other), Done{output})> -> Totality.SameSource(input, left)}(retention)}

Uses (9):
  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=bendtorch-core@0.1.0.0/src/autograd/broadcast.bend&name=finish
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/broadcast_LAWS.bend&name=Retained
  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/elementwise_totality.bend&name=Retention
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/elementwise_totality.bend&name=SameSource