def copy_written

bendtorch-core@0.1.0.0 · src/tensor/transforms.bend:57

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/layout.bend as Layout

57def copy_written(-input: Shape.Shape, -axes: List<&2, U32>, -plan: Layout.Plan<input, axes>,
58  rec: Core.Tensor<input> -> Core.Tensor<Layout.output(input, axes, plan)> ->
59    Core.Tensor<input> & Result<&2, &1, Error, Core.Tensor<Layout.output(input, axes, plan)>>,
60  source: Core.Tensor<input>, pair: Core.Tensor<Layout.output(input, axes, plan)> & Result<&2, &2, Core.Error, Unit>) ->
61  Core.Tensor<input> & Result<&2, &1, Error, Core.Tensor<Layout.output(input, axes, plan)>>:
62  (target, result) = pair
63  match result:
64    case Fail{error}:
65      (source, Fail{TensorError{error}})
66    case Done{unit}:
67      rec(source)(target)