def picked
import bendtorch-core@0.1.0.0/src/autograd/backward.bend as Backwardimport Base
60def picked(-A: Data, head: A, rec: Unit -> Maybe<&2, A>, same: Bool) -> Maybe<&2, A>:
61 match same:
62 case True{}:
63 Some{head}
64 case False{}:
65 rec(Unit{})