TransformPROOF.maybe_equal: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/transform_PROOF.bend as TransformPROOF
Lines 108-118 of bendtorch-core@0.1.0.0/src/tensor/transform_PROOF.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/transform_PROOF.bend&start_line=108&end_line=118

import Base
import bendtorch-core@0.1.0.0/src/tensor/layout.bend as Layout
import bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend as Lifecycle

def maybe_equal(+a: Maybe<&2, List<&2, U32>>, +b: Maybe<&2, List<&2, U32>>,
  equal: {True{} == Layout.maybe_same(a, b) : Bool}) -> {a == b : Maybe<&2, List<&2, U32>>}:
  match a b:
    case None{} None{}:
      {==}
    case Some{xs} Some{ys}:
      Equal.cong(List<&2, U32>, Maybe<&2, List<&2, U32>>, xs => Some{xs}, xs, ys, words_equal(xs, ys, equal))
    case None{} Some{ys}:
      Empty.absurd({None{} == Some{ys} : Maybe<&2, List<&2, U32>>}, Lifecycle.false_true(equal))
    case Some{xs} None{}:
      Empty.absurd({Some{xs} == None{} : Maybe<&2, List<&2, U32>>}, Lifecycle.false_true(equal))

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=maybe_same
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend&name=false_true
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/transform_PROOF.bend&name=words_equal