@Override
public Expr copy(final QueryContext ctx, final VarScope o, final IntObjMap<Var> vs) {
final VarScope scp = new VarScope();
final Var[] arg = new Var[args.length];
for (int i = 0; i < arg.length; i++) vs.put(args[i].id, arg[i] = scp.newCopyOf(ctx, args[i]));
final Expr call = expr.copy(ctx, scp, vs);
return new FuncLit(name, arg, call, (FuncType) type.type, scp, sc, info);
}
@Override
public Count copy(final QueryContext qc, final VarScope scp, final IntObjMap<Var> vs) {
final Var v = scp.newCopyOf(qc, var);
vs.put(var.id, v);
return new Count(v, info);
}