Backward.picked: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/backward.bend as Backward
Lines 60-65 of bendtorch-core@0.1.0.0/src/autograd/backward.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/backward.bend&start_line=60&end_line=65

import Base

def picked(-A: Data, head: A, rec: Unit -> Maybe<&2, A>, same: Bool) -> Maybe<&2, A>:
  match same:
    case True{}:
      Some{head}
    case False{}:
      rec(Unit{})

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit