def count_result

bendtorch-core@0.1.0.0 · src/tensor/construction_contract_PROOF.bend:317

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/storage/arith.bend as Arith
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/tensor/observation.bend as Observation

317def count_result(+shape: Shape.Shape, +index: U32, result: Result<&2, &1, Core.Error, Core.Tensor<shape>>,
318  successful: {Result.is_done(&2, &1, Core.Error, Core.Tensor<shape>, result) == True{} : Bool}) ->
319  {Observation.after_count(shape, index, result) == Some{Shape.count(shape)} : Maybe<&2, U32>}:
320  match result:
321    case Fail{error}:
322      Empty.absurd({None{} == Some{Shape.count(shape)} : Maybe<&2, U32>}, Arith.clash(successful))
323    case Done{tensor}:
324      retained_count_pair(shape, Core.read_flat(shape, tensor, index))