static L<Exp> nlLogic_allFuncsNamed_deep(fS name, L<Exp> l) {
  final new L<Exp> out;
  for (Exp e : unnull(l))
    nlLogic_visit(e, voidfunc(O o) {
      if (o cast Func) if (eq(o.name, name)) out.add(o);
    });
  ret out;
}