def lookup_empty
import bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend as AxisAlgebraimport Base
import bendtorch-core@0.1.0.0/src/tensor/axis_spec.bend as Axis
51def lookup_empty(+index: Nat) -> {Axis.lookup(U32, Nil{}, index) == None{} : Maybe<&2, U32>}:
52 match index:
53 case 0n:
54 {==}
55 case 1n+p:
56 {==}