def bits.or_nil_r
import bend-osdev-apparmor@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-apparmor@0.1.0.0/perm.bend as P
3216def bits.or_nil_r(+a: List<&2, Bool>) -> {P.AaBits.or(a, Nil{}) == a : List<&2, Bool>}:
3217 match a:
3218 case Nil{}:
3219 {==}
3220 case Con{x, xs}:
3221 {==}