Core.attach_decided: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
Lines 57-68 of bendtorch-core@0.1.0.0/src/tensor/core.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&start_line=57&end_line=68

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/lifecycle.bend as Lifecycle

def attach_decided(+shape: Shape.Shape, storage: Storage.Storage, +n: Nat,
  -exact: {Lifecycle.logical_length(storage) == n : Nat},
  decision: Shape.BoolCase<Nat.is_eq(n, Shape.elements(shape))>) ->
  Result<&2, &1, Error, Tensor<shape>>:
  match decision:
    case Shape.BFalse{equal}:
      Fail{StorageLengthMismatch{}}
    case Shape.BTrue{equal}:
      Done{TTensor{storage, Equal.trans(Nat, Lifecycle.logical_length(storage), n,
        Shape.logical_numel(Shape.dimensions(shape)), exact,
        Equal.trans(Nat, n, Shape.elements(shape), Shape.logical_numel(Shape.dimensions(shape)),
          Lifecycle.natural_equal(n, Shape.elements(shape), equal), Shape.elements_exact(shape)))}}

Uses (15):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  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=BoolCase
  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=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=elements_exact
  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/lifecycle.bend&name=logical_length
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend&name=natural_equal