def eps.seen
import bend-kit-regex@0.8.0.0/regex.bend as Regeximport Base
810def eps.seen(hit: Bool, +prog: List<&2, Inst>, +pc: U32, +at0: Bool, +at1: Bool, w: Ew) -> Ew:
811 match hit:
812 case True{}:
813 w
814 case False{}:
815 Ew{stack, seen, mask, h} = w
816 eps.inst(List.get(&2, Inst, prog, U32.to_nat(pc)), pc, at0, at1, stack, pc <> seen, mask, h)