def ar.vm
import bend-kit-regex@0.8.0.0/regex.bend as Regeximport Base
1883def ar.vm(ar: Ar) -> Ar & Vm:
1884 Ar{old, spare, +count, +cap, +best} = ar
1885 ar.vm.put(ar.list.go(U32.to_nat(count), Array.get(Th, old, (count - 1 : U32)), (count - 1 : U32), Nil{}), spare, count, cap, best)