MetadataContract.length_done: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/metadata_contract.bend as MetadataContract
Lines 45-53 of bendtorch-core@0.1.0.0/src/tensor/metadata_contract.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/metadata_contract.bend&start_line=45&end_line=53

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/storage/LAWS.bend as StorageLaws
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
import bendtorch-core@0.1.0.0/src/tensor/observation.bend as Observation
import bendtorch-core@0.1.0.0/src/tensor/read_contract.bend as Reads

def length_done(+shape: Shape.Shape, +fill: F32, -valid: {Lifecycle.logical_length(StorageLaws.created(Shape.count(shape), fill)) == Shape.logical_numel(Shape.dimensions(shape)) : Nat}) ->
  {Observation.length_value(shape, Done{Core.TTensor{StorageLaws.created(Shape.count(shape), fill), valid}}) == Some{Shape.logical_numel(Shape.dimensions(shape))} : Maybe<&2, Nat>}:
  Equal.cong(Nat, Maybe<&2, Nat>, number => Some{number}, Observation.length_number(shape, Core.length(shape, Core.TTensor{StorageLaws.created(Shape.count(shape), fill), valid})), Shape.logical_numel(Shape.dimensions(shape)),
    Equal.trans(Nat, Observation.length_number(shape, Core.length(shape, Core.TTensor{StorageLaws.created(Shape.count(shape), fill), valid})), Lifecycle.length_value(Storage.length(StorageLaws.created(Shape.count(shape), fill))), Shape.logical_numel(Shape.dimensions(shape)),
      number_projection(shape, StorageLaws.created(Shape.count(shape), fill), valid, Storage.length(StorageLaws.created(Shape.count(shape), fill)), {==}),
      Equal.trans(Nat, Lifecycle.length_value(Storage.length(StorageLaws.created(Shape.count(shape), fill))), Lifecycle.length_owner(Storage.length(StorageLaws.created(Shape.count(shape), fill))), Shape.logical_numel(Shape.dimensions(shape)),
        Equal.sym(Nat, Lifecycle.length_owner(Storage.length(StorageLaws.created(Shape.count(shape), fill))), Lifecycle.length_value(Storage.length(StorageLaws.created(Shape.count(shape), fill))), Lifecycle.length_exact(StorageLaws.created(Shape.count(shape), fill))),
        Equal.trans(Nat, Lifecycle.length_owner(Storage.length(StorageLaws.created(Shape.count(shape), fill))), Lifecycle.logical_length(StorageLaws.created(Shape.count(shape), fill)), Shape.logical_numel(Shape.dimensions(shape)),
          Lifecycle.length_preserved(StorageLaws.created(Shape.count(shape), fill)), Reads.created_exact(shape, fill)))))

Uses (24):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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=count
  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=logical_numel
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/LAWS.bend&name=created
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/main.bend&name=length
  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=length
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend&name=length_exact
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend&name=length_owner
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend&name=length_preserved
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend&name=length_value
  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/metadata_contract.bend&name=number_projection
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/observation.bend&name=length_number
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/observation.bend&name=length_value
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/read_contract.bend&name=created_exact