ReadContract.attach_lift: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/read_contract.bend as ReadContract
Lines 62-71 of bendtorch-core@0.1.0.0/src/tensor/read_contract.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/read_contract.bend&start_line=62&end_line=71

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/storage/main.bend as Storage
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend as Lifecycle

def attach_lift(+shape: Shape.Shape, storage: Storage.Storage, counted: {Lifecycle.logical_length(storage) == Shape.elements(shape) : Nat},
  -P: Result<&2, &1, Core.Error, Core.Tensor<shape>> -> Type,
  h: @-valid: {Lifecycle.logical_length(storage) == Shape.logical_numel(Shape.dimensions(shape)) : Nat} -> P(Done{Core.TTensor{storage, valid}})) ->
  P(Core.attach(shape, storage)):
  match storage:
    case Storage.Empty{}:
      attached(shape, Storage.Empty{}, 0n, {==}, Shape.bool_case(Nat.is_eq(0n, Shape.elements(shape))), counted, P, h)
    case Storage.Owned{+depth, +length, array, balanced, valid}:
      attached(shape, Storage.Owned{depth, length, array, balanced, valid}, length, {==},
        Shape.bool_case(Nat.is_eq(length, Shape.elements(shape))), counted, P, h)

Uses (14):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  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/shape/core.bend&name=bool_case
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=elements
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=logical_numel
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/main.bend&name=Storage
  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=attach
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend&name=logical_length
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/read_contract.bend&name=attached